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Patterson, George, 1824-1897 - Public Domain
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Colorado State Archives - Public Domain
Carlo Riccardi -
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Portland, William Henry Cavendish Scott Bentinck, Duke of, 1768-1854
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Crescimbeni, Giovanni Mario, 1663-1728
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Mathew Brady Levin Corot Handy - Public Domain
Gallaudet, Edward Miner, 1837-1917
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Griffiths, Ralph, 1720-1803
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Gronovius, Laurentius Theodorus, 1730-1777
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Forchhammer, G. (Georg), 1794-1865
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Hirsch, Willard Newman, 1905-1982
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Patterson, George, 1824-1897 - Public Domain
Geddie, John, 1815-1872
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Atkinson, John W. (John William), 1923-2003
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Anthing, Frederic, 1753-1805
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González, Pablo, 1879-1950
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Charles Mallison - CC BY-SA 3.0
Métraux, Alfred, 1902-1963
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Glashow, Sheldon Lee, 1932-
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LBaldwinHazardChase - CC BY-SA 4.0
Phillips, Peter, 1953-....
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Douglas, Aaron, 1971-...
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Philkon - Public Domain
Vereen, Ben
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Beauchamp, Pierre, 1631-1705
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Wilde, Kim
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Monroem - CC BY-SA 3.0
Jain, Devaki, 1933-....
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Grant, Anne MacVicar, 1755-1838
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Mathew Brady Levin Corot Handy - Public Domain
Clayton, Charles, 1825-1885
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Sullivant, William Starling, 1803-1873
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Zellner, Bob, 1939-
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Cooke, John Rogers, 1833-1891
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Grant, James Benton, 1848-1911
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Ettinger, R. C. W. (Robert C. W.)
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Scopoli, Giovanni Antonio, 1723-1788
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Bradley, Will, 1868-1962
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Carlo Riccardi -
Moro, Aldo, 1916-1978
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Low, Will Hicok, 1853-1932