* Shepard GH (1997) "Noun classification and ethnozoological classification in Machiguenga, an Arawakan language of the Peruvian Amazon", "The Journal of Amazonian Languages" 1:20–57* Shepard G (1997) "Monkey hunting with the Machiguenga: medicine, magic, ecology and mythology", paper presented at the American Anthropological Association Meetings* Shepard GH (1998) "Psychoactive plants and ethnopsychiatric medicines of the Matsigenka", "Journal of Psychoactive Drugs" 30:321-332* Shepard GH (1999) "Resource use and ecology of the Matsigenka of the eastern slopes of the Cordillera Vilcabamba", In: Schulenberg TS (ed) "A Rapid Biological Assessment of the Northern Cordillera Vilcabamba, Peru," vol RAP Working Papers No.
* Shepard GH (1997) "Noun classification and ethnozoological classification in Machiguenga, an Arawakan language of the Peruvian Amazon", "The Journal of Amazonian Languages" 1:20–57* Shepard G (1997) "Monkey hunting with the Machiguenga: medicine, magic, ecology and mythology", paper presented at the American Anthropological Association Meetings* Shepard GH (1998) "Psychoactive plants and ethnopsychiatric medicines of the Matsigenka", "Journal of Psychoactive Drugs" 30:321-332* Shepard GH (1999) "Resource use and ecology of the Matsigenka of the eastern slopes of the Cordillera Vilcabamba", In: Schulenberg TS (ed) "A Rapid Biological Assessment of the Northern Cordillera Vilcabamba, Peru," vol RAP Working Papers No.