Simpson, George Gaylord. <br/><br/>
Principles of animal taxonomy / 
George Gaylord Simpson. 
 - Jodhpur :  Scientific Publishers (India),  2012. 
 - xii, 247 pages :   illustrations ;   22 cm. 
<br/><br/> includes index. <br/> 
<br/><br/><label>ISBN: </label>9788172337636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>591.1  / SIM