Author
Arbelaez, Vicente, 1924-
1
Ford Foundation
1
Ford, Anabel
1
Foreign Service Institute (U.S.)
1
Framiñan, Susana K. de
1
Harris, C. Cleland 1919-
1
Mesa Redonda El Pilar
1
Mesa Redonda El Pilar Mexico City, Mexico)
1
U.S. National Committee for Man and the Biosphere. Tropical Ecosystems Directorate
1
United States. Department of State. Bureau of Oceans and International Environmental and Scientific Affairs
1
United States. Social Security Administration
1
World Monuments Watch (Program)
1