Author
Baird, Spencer Fullerton, 1823-1887
2
Frémont, John Charles, 1813-1890
2
Girard, Charles, 1822-1895
2
Haldeman, Samuel Stehman, 1812-1880
2
Hall, James, 1811-1898
2
Möllhausen, Balduin, 1825-1905
2
Stansbury, Howard, 1806-1863
2
Torrey, John, 1796-1873
2
United States. Army. Corps of Topographical Engineers
2
Frémont, Jessie Benton, 1824-1902
1
Gale, Leonard D. 1800-1883
1
Humboldt, Alexander von, 1769-1859,
1
Möllhausen, Balduin, 1825-1905,
1
Simpson, J. H. 1813-1883
1
T.K. & P.G. Collins (Firm),
1