Burton, Maurice,  1898- <br/><br/>
In their element :  the story of water mammals / 
Maurice Burton ; illustrated by Jane Burton 
 - London :  Abelard-Schuman,  1960 
 - 155 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label> USD 3.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals<br/>Marine animals<br/>Freshwater animals
<br/><br/><label>Dewey Class. No.: </label>599