Author
Abbott, Edward, 1841-1908
1
Achenwall, Gottfried, 1719-1772
1
Acomb, Evelyn M.
1
Adams, Percy G.,
1
Adams, William Bridges, 1797-1872
1
Alajalov, Constantin, 1900-1987,
1
Albion, Robert Greenhalgh, 1896-1983
1
Alexander, James Edward, Sir, 1803-1885
1
Allen, Samuel
1
Alsberg, Henry G. 1881-1970
1
Alvarez, Francisco, active 1778
3
American Geographical Society of New York
1
American Social Science Association
2
Ampère, J.-J. 1800-1864
3
An Englishwoman
1
Anburey, Thomas
2
Andreasen, H.
2
Annenberg/CPB Project
1
Annerstedt, Herman
2
Archives of Czechs and Slovaks Abroad
1
Arden, Harvey
1
Arese, Francesco, conte, 1805-1881
1
Arfwedson, C. D. 1806-1881
3
Arkush, R. David, 1940-
1
Armstrong, William Cinton, 1855-
1
Atwater, Caleb, 1778-1867
2
Audubon, John James, 1785-1851
1
Audubon, John Woodhouse, 1812-1862
1
Audubon, Marie Rebecca, 1843-
1
Åkerman, Rich. 1837-1922
2
Baird, Robert, 1798-1863
1
Baïssas, René,
1
Bakeless, John Edwin, 1894-
1
Bakeless, John, 1894-1978
1
Baldwin, Thomas
1
Baltimore and Ohio Railroad Company
3
Baltimore and Ohio Railroad Company Passenger Traffic Dept
1
Bang, Paul, 1879-1945
2
Banks, Ann
2
Barber, John Warner, 1798-1885
2
Barbé-Marbois, François, marquis de, 1745-1837
2
Barlow, Joel, 1754-1812
1
Barlow, Joel, 1754-1812,
1
Bartlett, W. H. 1809-1854
1
Barton, Thomas
1
Bartram, Archibald, 1774?-1808
1
Bartram, John, 1699-1777
1
Bartram, William, 1739-1823
2
Beale, J. H.
1
Beale, Joseph H.
1
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