The world almanac and book of facts for 1955 / edited by Harry Hansen

The world almanac 1961 and book of facts : 76th year of issue / edited by Harry Hansen

The world almanac and book of facts for 1948 / E. Eastman Irvine

Workshop on the ecology and control of external parasites of economic importance on bovines in the Latin America August 25-30, 1975 / Centro internacional de agricoltura tropical

Works. Selections Antología

Workshop on Hemoparasites : (anaplasmosis and babesiosis), 17-22 March, 1975 / E. A. Wells, editor

Works. Selections Antología

Nahuas: del Alto Balsas de Guerrero: Pueblos Indígenas del México Contemporaneo / Comisión Nacional para el Desarrollo de los Pueblos Indígenas, México, CDI

Works. 1990 Obra completa

Works. 1990 Obra completa