Autor
Council on Hemispheric Affairs (U.S.)
1
Jay I. Kislak Reference Collection (Library of Congress)
1
Organization of American States. Division of Cultural Relations
1
Organization of American States. General Secretariat
1
Pan American Institute of Geography and History
1
Pan American Union. Division of Cultural Relations
1
Universidad de los Andes (Bogotá, Colombia). Departamento de Historia
1
Zavala, Silvio, 1909-2014
1