por Platt, Tristan.
por Peñaloza Cordero, Luis.
por Lara, Jesus.
por Mayer, Enrique | Theoretical Problem in Latin American Kinship Studies. American Council of Learned Societes and the Science Research Council (september 1981: Ixtapan de la Sal, MX).
por President's Research Committee on Social Trends.
por Kessel, Johannes Jacobus Mathieu Martinus van.