{"id":"000007317","type":"book","title":"The Tlaxcaltecans : prehistory, demography, morphology and genetics / ed. by M. H. Crawford. - Lawrence, KS : Univ., Dep. of Anthropology. - 208 S. : 40 Ill. ; 85 Tab. ... symposium entitled \"Population studies in Tlaxcala, Mexico\", held ... in Mexico City on Nov. 20, 1974","issued":{"raw":"1976"}}