Cooper, Chalmer L.  1898- <br/><br/>
Chester ostracodes of Illinois, 
by Chalmer L. Cooper. printed by authority of the state of Illinois. 
 - Urbana, Ill.,  1941. 
 - 101 [1] p.  incl. 14 pl., tables.  25 cm. 
<br/><br/> At head of title: State of Illinois, Dwight H. Green, governor. Dept. of registration and education, Frank G. Thompson, director. Division of the State geological survey, M. M. Leighton, chief, Urbana... 
<br/><br/>"References": p. 65-66. 
<br/><br/><label>LCCN: </label>gs 42000012  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ostracoda, Fossil.<br/>Paleontology--Carboniferous.<br/>Paleontology--Illinois.
<br/><br/><label>LC Class. No.: </label>QE817.O8  / C6