Blackwelder, Richard E. <br/><br/>
Guide to the taxonomic literature of vertebrates / 
by Richard E. Blackwelder 
 - Ames :  Iowa State University Press,  1972 
 - xviii, 259 p. : (map). ;  29 cm. 
<br/><br/><label>ISBN: </label>0813816300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates--Classification--Bibliography<br/>Zoology--Classification--Bibliography