Manuscripts, American 64 Archives 39 History 31 Sources 28 Bibliography 17 Manuscripts 15 Catalogs 5 more ... Businessmen 4 Correspondence 4 Indians of North America 4 Lawyers 4 Slavery 4 Antislavery movements 2 Archival resources 2 Art museums 2 Cabinet officers 2 Government relations 2 Indians, Treatment of 2 Plantations 2 Vice-presidents 2 African Americans 1 Autographs 1 Baptists 1 Botanists 1 Botany 1 Calendars 1 Collectors and collecting 1 Commerce 1 Department stores 1 Diaries 1 Ethnic relations 1 Ethnology 1 Genealogy 1 Historical Society of Pennsylvania 1 Immigrants 1 Indexes 1 Jews 1 Journalists 1 Manuscrits américains 1 Merchants 1 less ...