Seven Rock Art Sites in Baja California. Edited by Clement W. Meighan and V. L. Pontoni. Socorro, New Mexico: Ballena Press Publications in North American Rock Art No. 2, 1979, 236 pp., illustrations, $8.95 (paper).
Prehistoric Rock Art of Nevada and Eastern California.Robert F. Heizer and Martin A. Baumhoff. Berkeley: University of California Press. 1976. 412 pp. Illustrations. $24.95.