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 .
<br/><br/> Cover-title. 
<br/><br/>"References": p. 24. 
<br/><br/><label>LCCN: </label>e  11001373  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction.
<br/><br/><label>LC Class. No.: </label>HQ56  / .I6