Other
- Kalm, Pehr, 1716-1779 7 results
- Baird, Spencer Fullerton, 1823-1887 3 results
- Bartram, William, 1739-1823 2 results
- Forster, Johann Reinhold, 1729-1798 2 results
- Girard, Charles, 1822-1895 2 results
- Haldeman, Samuel Stehman, 1812-1880 2 results
- Hall, James, 1811-1898 2 results
- Stansbury, Howard, 1806-1863 2 results
- Torrey, John, 1796-1873 2 results
- United States. Army. Corps of Topographical Engineers 2 results
- Academy of Natural Sciences of Philadelphia 1 results
- Agassiz 1 results
- American Philosophical Society 1 results
- Audubon, John James, 1785-1851 1 results
- Bartram, John, 1699-1777 1 results
- Benson, Adolph B. (Adolph Burnett), 1881-1962 1 results
- Benson, Adolph B. (Adolph Burnett), 1881-1962, 1 results
- Burnaby, Andrew, 1732-1812 1 results
- Bye, Joseph P., 1 results
- Carlborg, Edith Marie Linnéa, 1888- 1 results
- Currá, Thomas M., 1960- 1 results
- Donnelly, James A. 1 results
- Forster, Johann Reinhold, 1729-1798, 1 results
- Forster, Johann Reinhold, 1729-1798, tr 1 results
- Gale, Leonard D. (Leonard Dunnell), 1800-1883 1 results
- Gallagher, Marsha V. 1 results
- Geijerstam, Karl Johan af, 1860-1899 1 results
- Hendrikson, Kris 1 results
- Henry, Joseph, 1797-1878 1 results
- Herbst, Josephine, 1892-1969 1 results
- Historical Society of Pennsylvania 1 results
- Jeffery, David 1 results
- Library Company of Philadelphia 1 results
- Lilja, Nils, 1808-1870 1 results
- Littlehales, Bates 1 results
- Matkosky, Greg, 1958- 1 results
- Mease, James, 1771-1846 1 results
- Neele, Samuel John, 1758-1824, 1 results
- Orr, William J. 1 results
- Pennsylvania Public Television Network 1 results
- Phillips, John C. (John Charles), 1876-1938 1 results
- Phillips, Maurice E. 1 results
- Phillips, Venia T. 1 results
- Savage, Henry, 1903- 1 results
- Schiedt, Richard Francis Conrad, 1859- 1 results
- Sosko, P. J. 1 results
- T.K. & P.G. Collins (Firm), 1 results
- Tucher, Andie 1 results
- United States. Army. Corps of Engineers 1 results
- United States. War Department 1 results more…