Author
- A.D. Marble & Co 1 results
- AFL-CIO 1 results
- Academy of Natural Sciences of Philadelphia 1 results
- Andrew Clow & Company 1 results
- Anonymous 1 results
- Apfelbaum, Charles 1 results
- Asylum Company 1 results
- Balch family 1 results
- Bank of North America 1 results
- Barker, Elihu 1 results
- Batcheler, George Dewey 1926-2009 1 results
- Batcheler, Penelope Hartshorne 1928-2007 1 results
- Beiser family 1 results
- Bodler family 1 results
- Bok, Curtis 1897-1962 1 results
- Bok, Nellie Lee Holt 1901-1984 1 results
- Bonaparte, Anne 1 results
- Boone, Daniel, 1734-1820 1 results
- Borger, Abraham 1 results
- Boëthius, Essie Sahlin 1859-1950 1 results
- Brahl, Waldemar 1 results
- British Emigrant Society (Susquehanna County, Pa.) 1 results
- Brockmohle, Henry 1 results
- Brown, Bruce 1 results
- Brown, Charles Stuart 1915-1993 1 results
- Browne, Peter A. (Peter Arrell), 1782-1860 1 results
- Browne, Peter Arrell, 1782-1860 1 results
- Buchanan, James 1791-1868 1 results
- Butler, Pierce 1807-1867 1 results
- Bye, Mary 1913- 1 results
- Chester County Cabinet of Natural Science (West Chester, Pa.) 4 results
- Chew family 1 results
- Children's Aid Society of Pennsylvania 1 results
- Clarke, Samuel, 1599-1682, 1 results
- Clemson, Thomas Green, 1807-1888 2 results
- Coates and Reynell family 1 results
- Cope, Gilbert and Joseph Cope 1 results
- Council of Spanish Speaking Organizations of Philadelphia 1 results
- Cox family 1 results
- Cox, Charles S. 1 results
- Cross 1 results
- Cross, Thomas, active 1632-1682, 1 results
- Dare, Lois 1930-2010 1 results
- Darlington, William, 1782-1863 2 results
- Delaware County Institute of Science (Delaware County, Pa.) 1 results
- Delaware County Institute of Science (Media, Pa.) 2 results
- Diaz, Nelson A. 1947- 1 results
- Dickey 1 results
- Dickey, Thomas M. 1 results
- Dillingham, William Henry, 1790-1854 1 results more…