1Susan F. Beegel, Susan Shillinglaw and Wesley N. Tiffney, Jr. Ed., Steinbeck and the Environment: Interdisciplinary Approaches,the University of Alabama Press, Tuscaloosa and London, 1997.
6FREDERICKB. Steinbeck and the biological view of man [ M]//TEDLOCK EW J,WICKERCV. Steinbeck and his critics : arecord of twenty-five years. Mbuquerque : univer- sity of New Mexico press, 1957:183-196.
7PETERL. The wide world of John Steinbeck [ M ]. New Brunswick : Rutgers university press, 1958.
8BENTON R M. The ecological nature of cannery row [ M ]//RICHARDA, HAYASHIT. Steinbeck : the man and his work. Corvallis : Oregon State University press, 1971 : 131-139.
9RICHARDA. John Steinbeck and Edward F Ricketts :The shaping of a novelist [ M ]. Minneapolis : Minnesota univer- sity press, 1973.
10BENSON J J. John Steinbeck :novelist as scientist [ M ]// RICHARDA, HEDGPETHJ W. Steinbeck and the sea. Corvallis : Oregon State University, 1975 : 15-28.