Author
Möllhausen, Balduin, 1825-1905
3
Abert, J. W. 1820-1897
1
American Catholic Historical Society of Philadelphia
1
Bolton, Herbert Eugene, 1870-1953
1
Galvin, John (Editor)
1
Humboldt, Alexander von, 1769-1859
1
Humboldt, Alexander von, 1769-1859,
1
Kennedy, Lawton, 1900-1980,
1
Möllhausen, Balduin, 1825-1905,
1
Richman, Irving Berdine, 1861-1938
1
Steck, Francis Borgia, 1884-1962
1
United States. Army. Corps of Topographical Engineers
1