36,016 United States 31,650 Pennsylvania 15,987 Philadelphia 5,477 Philadelphia (Pa.) 4,915 New Jersey 3,760 Penn more ... 3,294 Massachusetts 3,148 Great Britain 2,804 New York (State) 2,755 Virginia 2,100 Maryland 1,706 England 1,642 Delaware 1,603 Canada 1,308 North Carolina 1,306 Connecticut 1,186 New York (N.Y.) 1,182 Bucks County (Pa.) 1,103 New York 1,061 Chester County (Pa.) 989 Ohio 930 France 885 Montgomery County (Pa.) 884 America 877 Berks County (Pa.) 769 South Carolina 768 North America 732 Germany 719 California 717 New England 714 Lancaster County (Pa.) 699 Kentucky 677 New Hampshire 670 Southern States 624 Ireland 620 Boston 620 Mass 582 Washington (D.C.) 565 Rhode Island 555 Georgia see all ... less ...

35,496 History 5,989 Politics and government 4,797 Biography 4,674 Genealogy 4,557 Description and travel 4,453 African Americans more ... 4,288 Periodicals 3,807 Church records and registers 3,161 Societies, etc 3,152 Sources 2,602 Census records 2,516 Deeds 2,461 Jews 2,426 Religious life 2,414 Slavery 2,401 Social life and customs 2,346 Indians of North America 2,212 Streets 2,095 Fiction 2,046 Social conditions 2,004 Bibliography 2,003 Registers of births, etc 1,862 Education 1,861 Emigration and immigration 1,732 Churches 1,707 Almanacs, American 1,603 Germans 1,584 Probate records 1,461 Church history 1,292 Economic conditions 1,249 Clergy 1,249 German Americans 1,226 Railroads 1,220 Ethnic groups 1,112 Poetry 1,096 Vital records 1,095 Race relations 1,083 Lutheran 1,056 Foreign relations 1,054 Study and teaching see all ... less ...

1,299 Philadelphia Record 654 Pennsylvania 458 United States 441 Franklin, Benjamin, 1706-1790 422 Historical Society of Pennsylvania 356 Penn, William, 1644-1718 more ... 344 Carey, Mathew, 1760-1839 301 Washington, George, 1732-1799 266 Ethnic Heritage Studies Program (U.S.) 256 Jackson, Ronald Vern 254 Pennsylvania Historical and Museum Commission 239 United States Congress House 222 New England Historic Genealogical Society 207 United States Bureau of the Census 196 United States Congress 189 United States Census Office 185 University of Pennsylvania 179 American Philosophical Society 179 Strobridge & Co. Lith 176 United States Dept. of State 169 John Forbes & Company, 161 Cunningham, John T. 155 Albertype Co 153 Sanborn Map Company 147 Walnut Street Theatre (Organization : Philadelphia, Pa.) 146 Union League of Philadelphia 143 Pennsylvania Academy of the Fine Arts 142 Leland, Charles Godfrey, 1824-1903 141 Frederic R. Kirkland Collection 141 Library of Congress 141 Pennsylvania Railroad 139 Luther, Martin, 1483-1546 138 United States Continental Congress 137 United States Congress Senate 134 Keith, George, 1639?-1716 130 Arch Street Theatre (Philadelphia, Pa.) 127 American Sunday-School Union 122 H.A. Thomas, Lith. Studio (New York, N.Y.) 121 Pennell, Joseph, 1857-1926 119 National Theatre (Philadelphia, Pa.) see all ... less ...

282,560 Published Materials see all ...

7,625 Biography 5,610 Genealogy 3,852 Church records 2,958 Periodicals 2,559 Census records 2,504 Deeds more ... 1,425 Directories 1,394 Bibliography 1,302 Catalogs 1,131 Sources 1,047 Indexes 987 Registers 931 Probate records 779 Exhibitions 745 Sermons 736 Fiction 682 Controversial literature 669 Maps 618 Early works to 1800 609 Guidebooks 607 Pictorial works 562 Handbooks, manuals, etc 469 Personal narratives 464 Gravestone inscriptions 440 Poetry 428 Dictionaries 418 Marriage records 339 Tax lists 327 Correspondence 322 Newspapers 319 Lists 301 Juvenile literature 286 Congresses 282 History 278 Cemetery records 246 Death records 215 Addresses, essays, lectures 207 Portraits 207 Speeches in Congress 191 Undertakers' records see all ... less ...

2,836 Revolution, 1775-1783 2,396 Civil War, 1861-1865 2,175 Colonial period, ca. 1600-1775 1,962 19th century 1,367 20th century 1,122 1732-1799 more ... 1,018 1850 1,012 18th century 821 1900 756 Revolution 669 1809-1865 536 1706-1790 531 1861-1865 492 War of 1812 485 1775-1865 478 To 1775 443 1775-1783 398 Civil War 313 1743-1826 312 1880 309 1917- 289 1644-1718 252 17th century 244 1783-1865 226 French and Indian War, 1755-1763 221 1830 206 1857-1861 177 1815-1861 169 Civil war 167 1757-1834 163 1800-1870 161 1860 160 1933-1945 159 1918-1945 153 1783-1848 148 1865-1950 138 1945- 126 To 1865 125 1854-1861 118 1767-1845 see all ... less ...