History 62 Sources 60 Bibliography 47 Microform catalogs 43 Archives 24 Microforms 23 Manuscripts 20 more ... Manuscripts, American 20 Documents on microfilm 16 Genealogy 15 American newspapers 12 Newspapers 11 Newspapers in microform 11 Union catalogs 9 Books on microfilm 7 History, Local 7 Indians of North America 7 Manuscripts on microfilm 7 Politics and government 6 Registers of births, etc 6 Union lists 6 Catalogs 5 Emigration and immigration 5 Government relations 5 Slavery 5 African Americans 4 Population 4 Statistics 4 Antislavery movements 3 Archival resources 3 Church records and registers 3 Jews 3 Libraries 3 Minorities 3 Newspapers on microfilm 3 Passenger lists 3 Publishers' catalogs 3 Ships 3 Special collections 3 Ukrainian newspapers 3 less ...