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Prelinger Library

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The Prelinger Library is a privately funded public library in San Francisco founded in 2004 and operated by Megan Prelinger and Rick Prelinger It holds over 50,000 books, periodicals and pieces of print ephemera. Prelinger Library considers itself a "hybrid library" that blurs the distinction between digital and non-digital; as of 2009 it had over 3,700 e-books online.

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60-486: The library is usually open one and one-half days a week, and hosts approximately 1,000 visitors per year. The library is unusual in that it uses a custom system of organization designed by Megan that intends to facilitate and emphasize browsing. For example, the section on "Suburbia" is next to the section on "Domestic Environments", then "Architecture", which becomes "Graphic Design", which in turn leads to "Typography" and "Fine Arts", and then "Advertising" and "Sales". There

120-490: A classification for general libraries, with the Library of Congress Classification having gained acceptance for large research libraries. The first electronic version of "Dewey" was created in 1993. Hard-copy editions continue to be issued at intervals; the online WebDewey and Abridged WebDewey are updated quarterly. Dewey and a small editorial staff managed the administration of the very early editions. Beginning in 1922,

180-411: A counterbalance to modern public libraries, which, as part of digital-library initiatives, emphasize computers and databases and are no longer a "mere warehouse for books". Megan Prelinger said the library is "a local workshop, not an institution. We serve tea, and we encourage photography and scanning and any other form of non-destructive appropriation. That kind of environment is very natural to people in

240-498: A library in their appropriate location based on subject. It was first published in the United States by Melvil Dewey in 1876. Originally described in a 44-page pamphlet, it has been expanded to multiple volumes and revised through 23 major editions, the latest printed in 2011. It is also available in an abridged version suitable for smaller libraries. OCLC , a non-profit cooperative that serves libraries, currently maintains

300-526: A salary that doubled his wages at the Hartford Theological Seminary Library. Richardson accepted the position at Princeton in 1890. The following year Richardson married Grace Duncan Ely on June 30. Her father was a wealthy New York coffee broker and the inheritance Grace received after her father's death enabled Richardson to remain semi-independent of his salary for the remainder of his life. While at Princeton, Richardson

360-650: A student assistant in the library and also as a pin-setter for a local bowling alley. He also applied for and received scholarships, which he "...secured by virtue of a good academic record and seriousness of purpose." During Richardson's first year at Amherst, Melville Dewey was an assistant librarian. Dewey was followed by W.S. Biscoe , who worked with Dewey on the Dewey Decimal System . It has been suggested by Lewis C. Branscomb, Richardson's primary biographer, that these librarians influenced Richardson in his enthusiasm for classification methods. Richardson

420-521: A variant of this same title. Dewey modified and expanded his system considerably for the second edition. In an introduction to that edition Dewey states that "nearly 100 persons hav [spelling of 'have' per English-language spelling reform , which Dewey championed] contributed criticisms and suggestions". One of the innovations of the Dewey Decimal system was that of positioning books on the shelves in relation to other books on similar topics. When

480-539: Is no Dewey Decimal Classification system or card catalog. The library was inspired in part by the Warburg Institute Library in London, founded by German art historian Aby Warburg . His disciple Fritz Saxl wrote: "The overriding idea was that the books together—each containing its larger or smaller bit of information and being supplemented by its neighbors—should by their titles guide

540-582: Is not known who received copies or how many commented as only one copy with comments has survived, that of Ernest Cushing Richardson . His classification system was mentioned in an article in the first issue of the Library Journal and in an article by Dewey in the Department of Education publication Public Libraries in America in 1876. In March 1876, he applied for, and received, copyright on

600-563: Is used in 200,000 libraries in at least 135 countries. Melvil Dewey (1851–1931) was an American librarian and self-declared reformer. He was a founding member of the American Library Association and can be credited with the promotion of card systems in libraries and business. He developed the ideas for his library classification system in 1873 while working at the Amherst College library. He applied

660-658: The Library of Congress and partly at OCLC. Their work is reviewed by the Decimal Classification Editorial Policy Committee, a ten-member international board which meets twice each year. The four-volume unabridged edition was published approximately every six years, with the last edition (DDC 23) published in mid-2011. In 2017 the editorial staff announced that the English edition of DDC will no longer be printed, in favor of using

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720-602: The 14th edition. Milton Ferguson functioned as editor from 1949 to 1951. The 16th edition in 1958 was edited under an agreement between the Library of Congress and Forest Press, with David Haykin as director. Editions 16–19 were edited by Benjamin A. Custer and the editor of edition 20 was John P. Comaromi. Joan Mitchell was editor until 2013, covering editions 21 to 23. In 2013 Michael Panzer of OCLC became Editor-in-Chief. The Dewey Editorial Program Manager since 2016 has been Rebecca Green. Dewey himself held copyright in editions 1 to 6 (1876–1919). Copyright in editions 7–10

780-627: The 20th Century" by American Libraries in 1999. Richardson was born into a middle-class family in Woburn, Massachusetts . His father, James Cushing, and mother, Lydia Bartlett Taylor Richardson, were of English descent. As a child, Ernest has been described as athletic. He was most passionate about baseball, ice skating and hiking and continued to enjoy them throughout his life. Richardson began his higher education at Amherst College in September 1876. To support his studies financially he worked as

840-488: The 290s. For example, Islam is under just DDC 297. The entire 200 section has remained largely unchanged since DDC 1, since restructuring would pose a significant amount of work for existing libraries. The motivation for this change is ideological rather than technical, as appending significant figures can add space as needed. It has also been argued by Hope A. Olson that the placement of topics related to women shows implicit bias , but this has been simpler to address than

900-464: The ALA Division of Cataloging and Classification, and of the Library of Congress. Melvil Dewey edited the first three editions of the classification system and oversaw the revisions of all editions until his death in 1931. May Seymour became editor in 1891 and served until her death in 1921. She was followed by Dorcas Fellows , who was editor until her death in 1938. Constantin J. Mazney edited

960-672: The DDC in favor of the Book Industry Standards and Communications ( BISAC ) system commonly used by commercial bookstores, in an effort to make its libraries more accessible for their users. Several other libraries across the United States and other countries (including Canada and the Netherlands) followed suit. In 1932, topics relating to homosexuality were first added to the system under 132 ( mental derangements ) and 159.9 ( abnormal psychology ). In 1952, homosexuality

1020-545: The Dewey Decimal Classification came to the attention of the U.S. press when OCLC sued the Library Hotel for trademark infringement for using the classification system as the hotel theme. The case was settled shortly thereafter. The OCLC has maintained the classification since 1988, and also publishes new editions of the system. The editorial staff responsible for updates is based partly at

1080-669: The International Institute of Bibliography to later create an English version of the resulting classification, considering that a violation of their agreement, as well as a violation of Dewey's copyright. Shortly after Dewey's death in 1931, however, an agreement was reached between the committee overseeing the development of the Decimal Classification and the developers of the French Classification Decimal . The English version

1140-570: The Lake Placid Club Educational Foundation, a not-for-profit organization founded by Melvil Dewey, managed administrative affairs. The ALA set up a Special Advisory Committee on the Decimal Classification as part of the Cataloging and Classification division of ALA in 1952. The previous Decimal Classification Committee was changed to the Decimal Classification Editorial Policy Committee, with participation of

1200-1087: The Richardson method remained in other Princeton libraries. Richardson worked for the Library of Congress as a consultant without compensation until 1934, at which point several conflicts and his unwillingness to compromise demanded his resignation from the Library of Congress, the American Library Association in 1934, the American Library Institute in 1935 and the Institut Francais de Washington in 1936. Richardson's wife, Grace, died on October 29, 1933, following which he rented their home in Princeton and resided mainly in their cottage “High Pastures” in Old Lyme, Connecticut . He began to collapse and disperse his personal library, approximately 15,000 volumes, to

1260-456: The advantages of relative positioning and of open shelf access for patrons. New editions were readied as supplies of previously published editions were exhausted, even though some editions provided little change from the previous, as they were primarily needed to fulfill demand. In the next decade, three editions followed closely on: the 3rd (1888), 4th (1891), and 5th (1894). Editions 6 through 11 were published from 1899 to 1922. The 6th edition

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1320-878: The basis of the Universal Decimal Classification (UDC), which combines the basic Dewey numbers with selected punctuation marks (comma, colon, parentheses, etc.). Adaptations of the system for specific regions outside the English-speaking world include the Korean Decimal Classification , the New Classification Scheme for Chinese Libraries , and the Nippon Decimal Classification in Japan. Despite its widespread use,

1380-570: The class 330.94 European economy. Or one could combine the class 973 (for the United States) + .05 (for periodical publications on the topic) to arrive at the number 973.05 for periodicals concerning the United States generally. The classification also makes use of mnemonics in some areas, such that the number 5 represents the country Italy in classification numbers like 945 (history of Italy), 450 (Italian language), and 195 (Italian philosophy). The combination of faceting and mnemonics makes

1440-484: The classes explicitly in the schedules. Over time it added some aspects of a faceted classification scheme, allowing classifiers to construct a number by combining a class number for a topic with an entry from a separate table. Tables cover commonly used elements such as geographical and temporal aspects, language, and bibliographic forms. For example, a class number could be constructed using 330 for economics + .9 for geographic treatment + .04 for Europe to create

1500-505: The classification synthetic in nature, with meaning built into parts of the classification number. The Dewey Decimal Classification has a number for all subjects, including fiction, although many libraries maintain a separate fiction section shelved by alphabetical order of the author's surname. Each assigned number consists of two parts: a class number (from the Dewey system) and a book number, which "prevents confusion of different books on

1560-601: The classification has been criticized for its complexity and its limited capability for amendment. This is particularly demonstrated with the literature section (800s): literature in European languages takes the entire range from 810 through 889, while the entire rest of the world's literature is relegated to the 890s. In 2007–08, the Maricopa County Library District in Arizona abandoned

1620-444: The classification to date had led to significant criticism from medium and large libraries which were too large to use the abridged edition but found the full classification overwhelming. Dewey had intended issuing the classification in three editions: the library edition, which would be the fullest edition; the bibliographic edition, in English and French, which was to be used for the organization of bibliographies rather than of books on

1680-459: The classification to the books in that library, until in 1876 he had a first version of the classification. In 1876, he published the classification in pamphlet form with the title A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library. He used the pamphlet, published in more than one version during the year, to solicit comments from other librarians. It

1740-407: The degree that they can be expanded in linear fashion to cover special aspects of general subjects. A library assigns a classification number that unambiguously locates a particular volume in a position relative to other books in the library, on the basis of its subject. The number makes it possible to find any book and to return it to its proper place on the library shelves. The classification system

1800-498: The editorial body was the Decimal Classification Editorial Policy Committee with participation of the American Library Association (ALA), Library of Congress , and Forest Press. By the 14th edition in 1942, the Dewey Decimal Classification index was over 1,900 pages in length and was published in two volumes. On September 2, 1933 Miss Caroline Fisher brings the Dewey Decimal System to Maycomb, Alabama. The growth of

1860-535: The first edition of the index. The edition was 44 pages in length, with 2,000 index entries, and was printed in 200 copies. The second edition of the Dewey Decimal system, published in 1885 with the title Decimal Classification and Relativ Index for arranging, cataloging, and indexing public and private libraries and for pamflets, clippings, notes, scrap books, index rerums, etc. , comprised 314 pages, with 10,000 index entries. Five hundred copies were produced. Editions 3–14, published between 1888 and 1942, used

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1920-549: The founders of the American Library Association . While at the Hartford Theological Seminary, Richardson was granted leave to travel to Europe. It was on his various trips throughout Europe that Richardson was able to study, examine and collect many significant books, manuscripts and documents. These studies helped to support Richardson's belief that U.S. libraries lacked serious research materials. Three years into his career at Hartford Seminary, Richardson

1980-745: The frequently updated WebDewey. An experimental version of Dewey in RDF was previously available at dewey.info beginning in 2009, but has not been available since 2015. In addition to the full version, a single-volume abridged edition designed for libraries with 20,000 titles or fewer has been made available since 1895. The last printed English abridged edition, Abridged Edition 15, was published in early 2012. The Dewey Decimal Classification organizes library materials by discipline or field of study. The scheme comprises ten classes , each divided into ten divisions, each having ten sections. The system's notation uses Indo-Arabic numbers, with three whole numbers making up

2040-439: The library at Hartford Theological Seminary, Richardson accepted a position at Princeton University , then known as The College of New Jersey. Richardson had been offered jobs on numerous occasions, however his commitment to the Hartford Theological Seminary, and his own personal commitment to his religious studies made the positions unappealing until promises of wage raises were not fulfilled. Princeton University offered Richardson

2100-477: The library system and accessed more easily. Unfortunately, not everyone at Princeton agreed with Richardson's method of cataloging. His system, often referred to as the “Princeton System” relied on whole numbers and minute specifications for classification, resulting in a lengthy cataloging number. And, after many years of service to the Princeton University faculty, staff and students, Richardson

2160-427: The main classes and sub-classes and decimals designating further divisions. The classification structure is hierarchical and the notation follows the same hierarchy. Libraries not needing the full level of detail of the classification can trim right-most decimal digits from the class number to obtain more general classifications. For example: The classification was originally enumerative, meaning that it listed all of

2220-442: The millennial generation and people who have grown up during the resurgence of craft and DIY spaces." 37°46′29″N 122°24′34″W  /  37.77472°N 122.40944°W  / 37.77472; -122.40944 Dewey Decimal Classification The Dewey Decimal Classification ( DDC ), colloquially known as the Dewey Decimal System , is a proprietary library classification system which allows new books to be added to

2280-423: The needs of the very largest or of special libraries. It also reduced the size of the Dewey system by over half, from 1,900 to 700 pages. This revision was so radical that an advisory committee was formed right away for the 16th and 17th editions. The 16th and 17th editions, under the editorship of the Library of Congress, grew again to two volumes. However, by then, the Dewey Decimal system had established itself as

2340-427: The new position of director was created for Richardson without a salary increase. Tensions grew when Richardson traveled abroad and was docked part of his salary, even though he carried out work for the library and had always been compensated previously. To make matters worse, Gerould changed Richardson's “Title-a-Bar” and “Princeton System” to “Full-form” cataloging and the “ Library of Congress System ,” while Richardson

2400-402: The official direction states: Use 616.8583 for homosexuality only when the work treats homosexuality as a medical disorder, or focuses on arguing against the views of those who consider homosexuality to be a medical disorder. The top-level class for religion heavily favors Christianity , dedicating nearly all of the 200 division to it: the world's thousands of other religions were listed under

2460-415: The possibility of translating the classification into French, and using the classification system for bibliographies (as opposed to its use for books in libraries). This would have required some changes to the classification, which was under copyright. Dewey gave permission for the creation of a version intended for bibliographies, and also for its translation into French. Dewey did not agree, however, to allow

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2520-408: The religion schema. Some changes made so far have been in numerical proximity, altering the placement of topics relative to each other. For example, in older versions of the DDC, some categories regarding women were adjacent to categories on etiquette ; the placement of these categories next to each other imposed an association of etiquette with women, rather than treating it as gender-neutral . This

2580-407: The same subject". A common form of the book number is called a Cutter number , which represents the author and distinguishes the book from other books on the same topic. (From DDC 23 ) (From DDC 23 ) The Relative Index (or, as Dewey spelled it, "Relativ Index") is an alphabetical index to the classification, for use both by classifiers and by library users when seeking books by topic. The index

2640-400: The shelf; and the abridged edition. In 1933, the bibliographic edition became the Universal Decimal Classification , which left the library and abridged versions as the formal Dewey Decimal Classification editions. The 15th edition, edited by Milton Ferguson , implemented the growing concept of the "standard edition", designed for the majority of general libraries but not attempting to satisfy

2700-625: The student to perceive the essential forces of the human mind and its history." Warburg built his library to find connections and relationships between antiquity and the Renaissance. Likewise, the Prelingers' library in part addresses the relationships among intellectual property, the evolution of media and cultural production. Prelinger is a "serendipity" library, a library that emphasizes the experience of browsing and discovering things that were formerly unknown. The library can also be seen as

2760-505: The system and licenses online access to WebDewey , a continuously updated version for catalogers . The decimal number classification introduced the concepts of relative location and relative index . Libraries previously had given books permanent shelf locations that were related to the order of acquisition rather than topic. The classification's notation makes use of three-digit numbers for main classes, with fractional decimals allowing expansion for further detail. Numbers are flexible to

2820-469: The system was first introduced, most libraries in the US used fixed positioning: each book was assigned a permanent shelf position based on the book's height and date of acquisition. Library stacks were generally closed to all but the most privileged patrons, so shelf browsing was not considered of importance. The use of the Dewey Decimal system increased during the early 20th century as librarians were convinced of

2880-420: Was "relative" because the index entries pointed to the class numbers, not to the page numbers of the printed classification schedule. In this way, the Dewey Decimal Classification itself had the same relative positioning as the library shelf and could be used either as an entry point to the classification, by catalogers, or as an index to a Dewey-classed library itself. Dewey Decimal Classification numbers formed

2940-467: Was able to increase the library's collection and facilities several times. He was also able to conduct experiments in cataloging. One of these experiments was his “Title-a-Bar” theory, in which books were given a single line for their title on book lists and subject lists. Richardson believed that the time saved in looking through catalogs at a single line and cataloging new texts with a single line increased productivity and allowed resources to be entered into

3000-573: Was abroad. Conflicts between Gerould and Richardson continued and, in 1925, Richardson retired from Princeton and accepted an offer from the Library of Congress as an Honorary Consultant in Bibliography. Princeton libraries stopped using Richardson's method for new acquisitions in the 1960s. In 2010, the Firestone Library began completing a switch to the Library of Congress Classification system, though books classified according to

3060-399: Was also included under 301.424 (the study of sexes in society). In 1989, it was added to 363.49 ( social problems ), a classification that continues in the current edition. In 1996, homosexuality was added to 306.7 ( sexual relations ); this remains the preferred location in the current edition. Although books can also be found under 616.8583 (sexual practices viewed as medical disorders),

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3120-423: Was changed in DDC version 17, in 1965. Ernest Cushing Richardson Ernest Cushing Richardson (February 9, 1860 – June 3, 1939) was an American librarian, theologian and scholar. Throughout his life Richardson strived to make advances in cataloging systems and increased access to necessary research materials in U.S. libraries. He was named one of the "100 Most Important Leaders [Librarians] had in

3180-408: Was confronted with a group of opposing faculty, who believed that Richardson was not properly performing his duties and that funds were being disposed of inefficiently. A committee was formed to investigate these accusations, of which Richardson was cleared, and it was recommended that the school give the library more funds. This positive opinion did not last, and J.T. Gerould was appointed librarian and

3240-462: Was given an honorary M.A. from Amherst College, which was common practice for the institution at the time (given to graduates who had furthered their professional or liberal studies for two or more years). Richardson was promoted to librarian with faculty rank in 1884, and again in 1888 to associate professor. He received an honorary PhD from Washington and Jefferson College for his work in bibliography on June 13, 1988. Following years of service to

3300-417: Was held by the publisher, The Library Bureau. On the death of May Seymour, Dewey conveyed the "copyrights and control of all editions" to the Lake Placid Club Educational Foundation, a non-profit chartered in 1922. The Online Computer Library Center of Dublin, Ohio , US, acquired the trademark and copyrights associated with the Dewey Decimal Classification system when it bought Forest Press in 1988. In 2003

3360-448: Was produced. The abridged edition generally parallels the full edition, and has been developed for most full editions since that date. By popular request, in 1930, the Library of Congress began to print Dewey Classification numbers on nearly all of its cards, thus making the system immediately available to all libraries making use of the Library of Congress card sets. Dewey's was not the only library classification available, although it

3420-403: Was promoted to assistant librarian at Amherst during his senior year. Throughout his academic career he maintained a good grade-point average, so that when he graduated on July 2, 1880, he did so with Phi Beta Kappa honors. After graduating from Amherst, Richardson accepted a part-time position at Hartford Theological Seminary as a student assistant under Dr. Chester David Hartranft , one of

3480-602: Was published as the Universal Decimal Classification and is still in use today. According to a study done in 1927, the Dewey system was used in the US in approximately 96% of responding public libraries and 89% of the college libraries. After the death of Melvil Dewey in 1931, administration of the classification was under the Decimal Classification Committee of the Lake Placid Club Education Foundation, and

3540-405: Was published in a record 7,600 copies, although subsequent editions were much lower. During this time, the size of the volume grew, and edition 12 swelled to 1,243 pages, an increase of 25% over the previous edition. In response to the needs of smaller libraries which were finding the expanded classification schedules difficult to use, in 1894, the first abridged edition of the Dewey Decimal system

3600-549: Was the most complete. Charles Ammi Cutter published the Expansive Classification in 1882, with initial encouragement from Melvil Dewey. Cutter's system was not adopted by many libraries, with one major exception: it was used as the basis for the Library of Congress Classification system. In 1895, the International Institute of Bibliography, located in Belgium and led by Paul Otlet , contacted Dewey about

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