Author
Baird, Spencer Fullerton (1823-1887)
1
Conrad, Timothy Abbot (1803-1887)
1
Emory, William H. (1811-1887)
1
Englemann, George (1809-1884)
1
Etats-Unis. Department of the Interior
1
Girard, Charles Frederic (1822-1895)
1
Hall, James (1811-1898)
Parry, Charles Christopher (1823-1890)
1
Schott, Arthur (1814-1875)
1
Torrey, John (1796-1873)
1