Maxwell, Gavin <br/><br/>
Seals of the world 

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 - Constable & Co., London  1967 
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 - World Wildlife Series-2 .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Halichoerus (Gray seal)
<br/><br/><label>Dewey Class. No.: </label>599.793  MAX-S