- Oscar Arias Sanchez (Modern Peacemakers) by Vicki Cox, 2007-02-28
- The Arms Bazaar: 1995 Paul G.Hoffman Lecture (English and Spanish Edition) by United Nations Development Programme, 1997-03-01
- El camino de la paz (Spanish Edition) by Oscar Arias Sanchez, 1989
- SIGNIFICADO DEL MOVIMIENTO ESTUDIANTIL EN COSTA RICA by Oscar. Arias Sánchez, 1970-01-01
- Oscar Arias Sanchez by Vicki Cox, 2002
- Contemporary Authors: Biography - Arias Sanchez, Oscar (1940-)
- The global arms trade: strengthening international regulations.(INTERVIEW)(dialogue with Oscar Arias Sanchez)(Interview): An article from: Harvard International Review by Gale Reference Team, 2008-06-22
- About face! A world without armies! Costa Rica's past President, Oscar Arias Sanchez, explains his vision to Chris Richards.(DRILLS FOR NONVIOLENT RECRUITS)(Interview): ... An article from: New Internationalist by Chris Richards, 2005-08-01
- Costa-Ricaner: Óscar Arias Sánchez, Víctor Sanabria Martínez, Bruno Stagno Ugarte, Vernor Muñoz, Elizabeth Odio Benito, Walter Centeno (German Edition)
- Président Du Costa Rica: Laura Chinchilla, Francisco Morazán, Miguel Ángel Rodríguez Echeverría, Présidents Du Costa Rica, Óscar Arias Sánchez (French Edition)
- Toward a Convention on International Arms Transfers.(mission of the Arias Foundation for Peace and Human Progress): An article from: Ploughshares Monitor by Oscar Arias Sanchez, 2001-12-01
- ¿QUIÉN GOBIERNA EN COSTA RICA? 3a ed by Oscar. Arias Sánchez, 1984-01-01
- GRUPOS DE PRESION EN COSTA RICA. 5a ed. by Oscar. Arias Sánchez, 1980-01-01
- GRUPOS DE PRESION EN COSTA RICA by Oscar. Arias Sánchez, 1971-01-01
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