Carlos Alonso (English Wikipedia)

Catlin, Stanton Loomis; Terence Grieder (1966). Art of Latin America since independence (Digitized Aug 26, 2008 ed.). Yale University. p. 159. ISBN 9780913456019.
Anreus, Alejandro; Diana L. Linden; Jonathan Weinberg (2006). The social and the real: political art of the 1930s in the western hemisphere. Refiguring modernism. Vol. 4. Penn State Press. p. 320. ISBN 0-271-02691-X.
Museo Nacional de Bellas Artes (Argentina) (1970). Pintura argentina -- promoción internacional (Digitized Mar 31, 2008 ed.). Fundación Lorenzutt. p. 78.

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"Carlos Alonso". iadb.org. Archived from the original on 20 June 2010. Retrieved 16 March 2010.

"Libros del Zorro Rojo" (PDF). librosdelzorrorojo.com. Barcelona, Spain. p. 12. Archived from the original (PDF) on October 25, 2009. Retrieved 16 March 2010.

"Carlos Alonso". iadb.org. Archived from the original on 20 June 2010. Retrieved 16 March 2010.
"Libros del Zorro Rojo" (PDF). librosdelzorrorojo.com. Barcelona, Spain. p. 12. Archived from the original (PDF) on October 25, 2009. Retrieved 16 March 2010.