Simpson, George Gaylord. <br/><br/>
Principles of Animal Taxonomy / 
George Gaylord Simpson. 
 - New Delhi :  Oxford Book Company,  1965 
 - xii, 247 p. :  ill. ;  24 cm. 
 - Columbia biological series. .
 - Columbia biological series. .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals--Classification.
<br/><br/><label>Dewey Class. No.: </label>590.12  / SIP 1965