Puerto Rican Food Habits: A Socio-Cultural Approach: Sanjur, D., 1970, Dept. of Human Nutrition and Food, New York State College of Human Ecology, $3.00. Send check payable to Cornell University with order to: Mrs. Mildred Crance, Director, Duplicating Services, B-10 Martha Van Rensselaer Itall, Cornell University, Ithaca, N.Y., 14850.