Autor
Pennsylvania. Topographic and Geological Survey Commission
3
American Philosophical Society
2
Pennsylvania. Bureau of Publications
2
Egle, William Henry, 1830-1901
1
Hazard, Samuel, 1784-1870
1
Hoban, Charles Francis, 1873-1949
1
Juniata College (Huntingdon, Pa.)
1
Linn, John Blair, 1831-1899
1
MacKinney, Gertrude
1
Montgomery, Thomas Lynch, 1862-1929
1
Pennsylvania State Library
1
Pennsylvania. Department of General Services
1
Pennsylvania. Department of Internal Affairs
1
Pennsylvania. Department of Internal Affairs. Bureau of Statistics. Bureau of Industrial Statistics
1
Pennsylvania. Department of Labor and Industry
1
Pennsylvania. Department of Property and Supplies
1
Pennsylvania. Department of Public Instruction
1
Pennsylvania. Secretary of the Commonwealth
1
Philadelphia Association for the Protection of Colored Women
1
Reed, George Edward, 1846-1930
1
University of Pittsburgh. School of Law
1