Publications Available in the Web:

Sauer, Carl O. 1925.  The morphology of landscape. University of California Publications in Geography 2: 19-54.

Sauer, Carl O. 1938. Destructive Exploitation in Modern Colonial Expansion. Comptes rendus du congrès international de geographie, Amsterdam, 1938. Vol. 2, Sect. 3c: 494-499.

This article is available in Spanish in a translation prepared by Professor Guillermo Castro H. as "La Explotación Destructiva en la Expansión Colonial Moderna."

Sauer, Carl O. 1941. Foreword to Historical Geography. Annals of the Association of American Geographers 31: 1-24.

This article is also available in Spanish in a translation prepared by Professor Guillermo Castro H. as "Hacia una geografía histórica." 

Sauer, Carl O. 1956. The Education of a Geographer. Annals of the Association of American Geographers 46: 287-299.

This article is also available in Spanish in a translation prepared by Professor Guillermo Castro H. as "La educación de un geógrafo" 

Sauer, Carl O.  1956. The Agency of Man on the Earth.   In Man's Role in Changing the Face of the Earth, ed. Williams L. Thomas, 49-69.  Chicago: University of Chicago Press.

This chapter is available in Spanish in a translation prepared by by Professor Guillermo Castro H. as  "La gestión del Hombre en la Tierra."

Sauer, Carl O. 1974. The Fourth Dimension of Geography. In Selected Essays, 1963-1975. Berkeley, CA: Turtle Island Foundation.

This article is available in Spanish in a translation prepared by Professor Guillermo Castro H. as "La Cuarta Dimensión de la Geografía."

Also available:

Maestro, colega, amigo, Guillermo Castro H.  Intervención en la mesa redonda de homenaje al geógrafo norteamericano Carl O. Sauer (1889 – 1975), en la inauguración del II Simposio de Historia Ambiental Americana, celebrado en La Habana, Cuba, del 25 al 27 de octubre de 2004.