Wallis, J. H <br/><br/>
The challenge of middle age 

 - London :  Routledge & K. Paul,  1962 
 - ix, 147 p. ;  20 cm. 
<br/><br/><label>LCCN: </label>64-002723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex<br/>Middle age