Author
Baird, Spencer Fullerton 1823-1887
1
Bülow, Dietrich Heinrich von
1
Duden, Gottfried
1
Gerstäcker, Friedrich 1816-1872
1
Girard, Charles 1822-1895
1
Hallowell, Edward
1
Humboldt, Alexander <<von>> 1769-1859
1
Hülswitt, Ignatz
1
Kern, Richard H.
1
Kist, Leopold 1824-1902
1
Levasseur, Auguste
1
Möllhausen, Balduin
1
Quentin, Karl
1
Sitgreaves, L.
1
Torrey, John 1796-1873
1
United States Army Corps of topographical engineers
1
Woodhouse, Samuel Washington 1821-1904
1