Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Looking up: Bell Acres Bellevue Ben Avon Ben Avon Heights Bethel Park Blawnox Brackenridge Bradford Woods Braddock Braddock Hills Brentwood Bridgeville Carnegie Castle Shannon Chalfant Cheswick Churchill Coraopolis Crafton Dormont Dravosburg East Mckeesport East Pittsburgh Edgewood Edgeworth Elizabeth Emsworth Etna Forest Hills Fox Chapel Franklin Park Glassport Glen Osborne Glenfield Green Tree Haysville Heidelberg Homestead Ingram Jefferson Hills Leetsdale Liberty Lincoln Mcdonald