Bancroft Library, University of California, Berkeley.
Bentley Library, University of Michigan, Ann Arbor.
California State University at San Francisco, Archives.
Central Upper Peninsula and University Archives, Northern Michigan University, Marquette.
Columbus Memorial Library, Organization of American States, Washington, DC.
Georgia State Archives and History Department, Atlanta.
Henry Huntington Library, San Marino, California.
Library of Congress, Rare Book Room, Washington, DC.
McGill University Archives, Montreal, Quebec, Canada.
National Archives, Washington, DC.
Queen's University Archives, Kingston, Ontario, Canada.
St. Louis University, University Archives, St. Louis, Missouri.
Smith College, College Archives, Northampton, Massachusetts.
Stanford University, University Archives, Stanford, California.
Tulane University, University Archives, New Orleans, Louisiana.
University of Arizona, Special Collections, Tucson.
University of San Francisco Archives, Gleason Library, San Francisco, California.
University of Texas, Austin, American History Center.
University of Toronto Archives, Toronto, Ontario, Canada.
Aguilar Alonso. "Pan-Americanism from Monroe to the Present: A View from the Other Side". Trans. Asa Zatz. New York: Monthly Review Press, 1968.
Aguilar Oscar Vidal. "Don Diego Barros Arana". Santiago de Chile: Imprenta Universitaria, 1930.