Reconstructs the protolanguage of six languages found in the Mexico. The book has two major section, Analysis and Data for the language family groups: Oto-Manguean kinship terms, Mixtecan kinship terms, Popolocan kinship term, Otopamean kinship terms, Zapotecan kinship terms, Chinantecan kinship terms, and other Oto-Manguean kinship terms.