1. Aspects de l'ethno-écologie d'un village andin;Barrette;Canadian Review of Sociology and Anthropology,1972
2. Brush , Stephen B. Man's Use of an Andean Ecosystem
3. Brush , Stephen B. 1973 Subsistence Strategies and Vertical Ecology in an Andean Community: Uchucmarca, Peru Ph.D. dissertation University of Wisconsin