Bibby, Cyril. <br/><br/>
Sex education :  a guide for parents, teachers and youth leaders / 
 Sex education 
by Cyril Bibby. 
 - 2nd ed. 
 - London :  Macmillan,  1951. 
<br/><br/>"Guide to further reading": p. 273-291. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction.