Author
United States. Department of State
32
United States,
28
Mexico
26
Mexico,
24
United States. Department of State,
24
Smithsonian Institution
12
United States
7
Smithsonian Institution. Press,
6
Hobbs, Horton H. 1914-1994
3
Laughlin, Robert M.,
3
Norris, James N.,
3
Abbatiello, Michael J.
2
Baker, Edward W., 1914-2005
2
Barnard, J. Laurens 1928-1991
2
Buzas, Martin A.,
2
Canada,
2
Culver, Stephen J.,
2
Norris, James N.
2
Tuttle, Donald M. 1917-
2
United States. Department of State. Bureau of Western Hemisphere Affairs
2
Astill, Gregory,
1
Avendaño Ruiz, Belem D.,
1
Breedlove, Dennis Eugene,
1
Bucher, Katina E.,
1
Chapman, Brian R.
1
Djibouti
1
Federal Depository Library Program,
1
Flentrop, D. A. 1910-2003
1
Flint, Oliver S.
1
Guatemala,
1
Holt, Perry C.
1
International Atomic Energy Agency
1
International Boundary & Water Commission, United States & Mexico. United States Section,
1
Johansen, H. William
1
National Museum of Natural History (U.S.)
1
Robinson, Harold, 1932-
1
Scullen, Herman A. 1887-
1
Smithsonian Institution Scholarly Press,
1
Tunnell, John W., Jr
1
United States. Bureau of Consular Affairs
1
United States. Department of Agriculture. Economic Research Service,
1
United States. Department of State. Bureau of Western Hemisphere Affairs,
1
United States. Department of State. Office of Public Communication
1
United States. Department of State. Office of Public Communication. Editorial Division
1
United States. Embassy (Mexico)
1
United States. Government Publishing Office,
1
Villalobos-Figueroa, Alejandro
1
Wynne, Michael James,
1
Zahniser, Steven,
1