Simson, George Gaylord. <br/><br/>
Principles of animal taxonomy.// 
George Gaylord Simson. 
 - Calcutta.  Oxford Book.  1965 
 - xii, 247p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology.
<br/><br/><label>Dewey Class. No.: </label>591 SIP