Anthropological studies on the Quichua and Machiganga Indians /

"Based on data collected by Dr. D. E. Ford, surgeon of the Peruvian Expedition of 1915, which was under the auspices of the National Geographic Society and Yale University and under the direction of Prof. Hiram Bingham"--P. [3].

Arte, y vocabulario de la lengua quichua general de los indios del Perú /

Mode of access: Internet.