Osborn, Henry Fairfield,  1857-1935. <br/><br/>
Cenozoic mammal horizons of western North America. 

 - Washington,  Govt. Print. Off.,  1909. 
 - 138 p. 
<br/><br/>"Bibliography of western Cenozoic horizons and their correlation": p. 9-18. Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 09000052  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mammals, Fossil--North America.<br/>Paleontology--Cenozoic.<br/>Paleontology--Tertiary.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 361