Author
United States. Army. Corps of Topographical Engineers
4
Emory, William H. 1811-1887
2
Gómez Palacio, Francisco, 1824-1886
2
Catholic Church. Pope (1775-1799 : Pius VI)
1
Couts, Cave Johnson, 1821-1874
1
Franciscans. Mexico
1
Graham, J. D. 1799-1865
1
Gray, A. B. 1820-1862
1
Humboldt, Alexander von, 1769-1859
1
Ives, J. C.
1
McPherson, William, 1885-1964
1
Möllhausen, Balduin, 1825-1905
1
Pettis, George H.
1
United States. Department of the Interior
1