Author
- Historical Society of Pennsylvania 150 results
- Pennsylvania Historical and Museum Commission 128 results
- Frederic R. Kirkland Collection 106 results
- Pennsylvania. Comptroller-General's Office 102 results
- Newcomen Society of the United States 91 results
- Archives of Czechs and Slovaks Abroad 72 results
- United States. Work Projects Administration. Division of Professional and Service Projects 67 results
- American Imprint Collection (Library of Congress) 58 results
- Arnold, Lee, 1959- 55 results
- Church of Jesus Christ of Latter-day Saints. Family History Library 52 results
- United States. Work Projects Administration. Division of Community Service Programs 52 results
- New Jersey Historical Society 51 results
- Ethnic Heritage Studies Program (U.S.) 48 results
- New Jersey Historical Commission 46 results
- Washington, George, 1732-1799 45 results
- Cunningham, John T. 44 results
- Institute of Early American History and Culture (Williamsburg, Va.) 43 results
- United States. Department of State 42 results
- Egle, William Henry, 1830-1901 39 results
- Maryland Historical Society 39 results
- New-York Historical Society 38 results
- New Jersey Historical Records Survey Project 37 results
- Library of Congress. Congressional Research Service 36 results
- New Jersey Tercentenary Commission 36 results
- Great Britain. Public Record Office 35 results
- Jones, Richard S. 35 results
- Lossing, Benson J. (Benson John), 1813-1891 35 results
- Newcomen Society in North America 35 results
- Time-Life Books 34 results
- Catholic Record Society (Great Britain) 33 results
- Library of Congress 33 results
- Vermont Historical Records Survey 33 results
- George de Benneville Keim Memorial Collection 32 results
- Carey, Mathew, 1760-1839 31 results
- Penn, William, 1644-1718 31 results
- United States. Works Progress Administration. Division of Women's and Professional Projects 31 results
- Unknown author 31 results
- Chester County Historical Society (West Chester, Pa.) 29 results
- Historical Records Survey (U.S.) Ohio 29 results
- Lebanon County Historical Society (Pa.) 29 results
- Page, William, 1861-1934 29 results
- State Historical Society of Wisconsin 29 results
- Joseph Meredith Toner Collection (Library of Congress) 28 results
- Paine, Thomas, 1737-1809 28 results
- Elise Willing Balch Collection 27 results
- Pennsylvania 27 results
- American Historical Association 26 results
- Library of Congress. Manuscript Division 26 results
- Pennsylvania Historical Commission 26 results
- United States. Federal Highway Administration 26 results more…