Ethnobotanical follow-up of Bolivian Tiahuanacoid tomb material, and of Peruvian shamanism, psychotropic plant constituents, and espingo seeds / by S. Henry Wassén. Appendix: Anatomical notes on espingo and seeds of Quararibea, by Wolmar E. Bondeson
Ethnic lords of Quito in the age of the Incas : the political economy of North-Andean chiefdoms / by Frank Loewen Salomon
Ethnic studies : a selective guide to reference materials at Berkeley / University of California, General Library/Berkeley ; Phyllis Bischof
Ethnic groups and the nation state : the case of the Atlantic Coast in Nicaragua / edited by CIDCA/Development Study Unit Case of the Atlantic Coast in Nicargua