Lerrigo, Marion O. <br/><br/>
Parents' privilege :  how, when and what to tell your child about sex / 
Marion O. Lerrigo, Helen Southard and  Milton J.E. Senn. 
 - London :  William Heinemann Medical Books Ltd.,  c 1958. 
 - 63 p. :  ill. ;  21 cm. 
<br/><br/>324  324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex instruction for children
<br/><br/><label>Dewey Class. No.: </label>136.1 / L562p