Pt. 1. The prehispanic settlement patterns of the central and southern parts of the Valley of Oaxaca, Mexico / by Richard E. Blanton ... [et al.]. -- pt. 2. Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, the Valley of Oaxaca, Mexico / by Stephen A. Kowalewski ... [et al.] (2 v.)