Simpson, George Gaylord . <br/><br/>
Principles of Animal Taxonomy /  Textual Documents 
George Gaylord Simpson. 
 - 1st ed. / 
 - C alcutta :  Oxford Book Co. ,  1965. 
 - xii,247p. :  ill ;  23cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Zoology Animal Taxonomy G-Zoology T/G- Zoology 
<br/><br/><label>Dewey Class. No.: </label>590.12  / Si 45 P