O'Brien, John Anthony <br/><br/>
Sex-character education  explaining the facts of life to the young 
by John A. O'Brien, with the assistance of experts. 
 - New York  Macmillan  1953. 
 - 212 p. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction