Author
Appel, John Wilton
1
Blake, Emmet Reid, 1908-1997
1
Conover, Henry Boardman, 1892-1950
1
Conservation International
1
Elliot, Daniel Giraud, 1835-1915
1
Gentry, Alwyn H.
1
Gómez Durán, José María
1
Hopping, Lorraine Jean
1
Marx, Hymen
1
Nichols, Henry W. 1868-
1
Osgood, Wilfred Hudson, 1875-1947
1
Standley, Paul Carpenter, 1884-1963
1
Wilson, Edward O.
1