Blackwelder, Richard E. <br/><br/>
Classification of the animal kingdom / 
Richard E. Blackwelder 
 - Carbondale, Illinois :  Southern Illinois University Press,  1963 
 - 94 p . :  24 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>LCCN: </label>62-017618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Kingdom--Clasicification