Keyes, Charles Rollin,  1864-1942. <br/><br/>
A bibliography of North American paleontology, 1888-1892 / 
by Charles Rollin Keyes. 
 - Washington,  Govt. Print. Off.,  1894. 
 - 251 p. ;  24 cm. 
 - U.S. Geological survey. Bulletin  no. 121 .
 - United States.  Geological Survey.  Bulletin ;  121. .
<br/><br/><label>LCCN: </label>gs 05000690  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology--North America--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z6033.P2  / K4