Volumes 14 and 15 of the Handbook of Middle American Indians, published in cooperation with the Middle American Research Institute of Tulane University under the general editorship of Robert Wauchope (1909-1979), constitute Parts 3 and 4 of the Guide to Ethnohistorical Sources. The Guide has been assembled under the volume editorship of the late Howard F. Cline, Director of the Hispanic Foundation in the Library of Congress,...