Pennsylvania--Politics and government--19th century 25 Pennsylvania--Politics and government--20th century 7 Pennsylvania--Politics and government--18th century 4 Legal profession--19th century 2 Politics and government 2 Social life and customs--19th century 2 United States--History--War of 1812 2 more ... United States--Politics and government--20th century 2 Accounts--18th century 1 Advocacy organizations--Philadelphia--20th century 1 Affirmative action programs--Government policy--United States--History--20th century 1 Anti-Masonry 1 Appalachians (People) 1 Autobiography--Leach, Josiah Granville 1 Banks and Banking 1 Building Trades--19th century 1 Built environment--Pennsylvania--Philadelphia--20th century 1 Bureau of Municipal Research (Philadelphia, PA) 1 Business and manufacturing--Pennsylvania--Philadelphia--20th century 1 Business mergers and acquisitions--20th century 1 Business--History--Pennsylvania--Philadelphia--20th century 1 City planning and development--Pennsylvania--Philadelphia--20th century 1 City planning--Pennsylvania--Philadelphia--20th century 1 Colonial Dames of America 1 Constitutional Convention--Pennsylvania 1 Consumer activism--20th century 1 Courtship--19th Century 1 Depressions--1929 1 Diplomatic Relations--France--19th century 1 Diplomatic Relations--Greece--19th century 1 Elections--Pennsylvania 1 Family life--Personal correspondence--19th century 1 Family life--Upper Class--18th century 1 Fashion--20th century 1 Genealogy--Read Family 1 Hate mail--Pennsylvania--19th century 1 History 1 Indians--Southwest--19th century 1 Labor 1 Labor unions 1 less ...