Perrin, Mark. Ideas and learning activities for family life and sex education Mark Perrin, Thomas E. Smith. - Dubuque, Iowa W. C. Brown Co. [1972] - vii, 264 p. illus. 921004 Bibliography: p. 252-264. ISBN: 0697075036 LCCN: 70158725 Subjects--Topical Terms: Family life educationSex instruction LC Class. No.: HQ10 / .P46 Dewey Class. No.: 612.6/007