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The Gene Hunters: Biotechnology And The Scramble For Seeds. African Centre For Technology Studies Research Series No. 1. Princeton, NJ: Princeton University Press. http://www.worldcat.org/oclc/19269376.
. 1989. Partners In Conservation: Plant Genetic Resources And The Cgiar System. Rome: (International Board for Plant Genetic Research) IBPGR for CGIAR.
. 1992. Book Chapter
“Pátzcuaro's Lesson: Nature, Production, And Culture In An Indigenous Region Of Mexico”. In Biodiversity: Culture, Conservation, And Ecodevelopment, 147-171. Boulder, CO: Westview Press. http://www.worldcat.org/oclc/24467584.
. 1991.