Wallis, J. H. <br/><br/>
The challenge of middle age / 
	J H Wallis. 
 - London :  Routledge & K. Paul,  c1962. 
 - ix, 147 p. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex.<br/>Middle age.
<br/><br/><label>Dewey Class. No.: </label>136.52  / WAC 1962