History 17 Natural history 11 Genealogy 10 Antiquities 5 Description and travel 3 Histoire 3 Slavery 3 more ... Campaign management--United States 2 Caves 2 Cemeteries–-Pennsylvania 2 Descriptions et voyages 2 Dickinson College 2 Elections--United States--Planning 2 Family life--Pennsylvania--20th century 2 Historic buildings--Pennsylvania--Philadelphia 2 Insurance companies--United States 2 Land speculation and settlement--Pennsylvania--18th century 2 Land speculation and settlement--Pennsylvania--19th century 2 Land speculation--United States 2 Methodology 2 Municipal officials and employees--Pennsylvania--Philadelphia 2 Names, Geographical 2 Naturalization records 2 Philadelphia (Pa.)--Officials and employees 2 Philadelphia (Pa.)--Politics and government--20th century 2 Political campaigns--Law and legislation--United States 2 Political campaigns--Pennsylvania 2 Puerto Rican Week Festival (Philadelphia, Pa.) 2 Quaker women 2 Quakers 2 Registers of births, etc 2 Selling cemetery lots –- 20th century 2 Social life and customs 2 Travel 2 World War II, 1939-1945--Personal Correspondence--Home front 2 AIDS (Disease) 1 Academy of Natural Sciences--Philadelphia (Pa.) 1 Accounts--18th century 1 Accounts--19th century 1 Actors and actresses 1 less ...