00794cam a22002291 4500 e 11001373 DLC 20260227111156.0 920702q19001992nyu b 000 0 eng c e 11001373 (OCoLC)26121020 Library, U.S. Bur. of Education CSt DLC premarc HQ56 .I6 Instruction in the physiology and hygiene of sex for teachers, by a member of the American Society of Sanitary and Moral Prophylaxis ... [New York, Printed by the Grafton Press, 19--?] 24 p. 17 cm. [American Society of Sanitary and Moral Prophylaxis] Educational pamphlet. no. 2 Cover-title. "References": p. 24. Sex instruction. 19213 19213