Allegheny County Bar Association Post category:Government & Law Serves Allegheny County residents through legal information, lawyer referrals, and a listing of services offered free to the public by the Bar Association. Tags: Public You Might Also Like Allegheny County, Official Website August 9, 2018 Primary Sources: Introduction to U.S. History – The American Revolution May 22, 2024 Internal Revenue Service (IRS) August 10, 2018 Legal Forms July 1, 2018