Blackwelder, Richard E. <br/><br/>
Directory of zoological taxonomists of the world / 
Com. Richard E. and Ruth M. Blackwelder. 
 - Carbondale, Ill. :  Published for the Society of Systematic Zoology by Southern Illinois University,  1961. 
 - xvii, 404 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoologists<br/>Paleontologists