Author
Möllhausen, Balduin, 1825-1905
3
American Catholic Historical Society of Philadelphia
1
Audubon, John Woodhouse, 1812-1862
1
Audubon, Marie Rebecca, 1843-
1
Blackmar, Frank W. 1854-1931
1
Bolton, Herbert Eugene, 1870-1953
1
Forrest, Earle R. 1883-1969
1
Hodder, Frank Heywood, 1860-1935
1
Humboldt, Alexander von, 1769-1859
1
Humboldt, Alexander von, 1769-1859,
1
Möllhausen, Balduin, 1825-1905,
1
Richman, Irving Berdine, 1861-1938
1
Schaaf, Angie Yan
1
Schaaf, Gregory, 1953-
1
Steck, Francis Borgia, 1884-1962
1
Vélez-Ibañez, Carlos G., 1936-
1
Villasenor, David W.
1