Romer, Alfred Sherwood,    1894- <br/><br/>
Vertebrate paleontology /  
A. S. Romer 
 - 2nd ed. 
 -   repr. 1950 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Vertebrates, Fossil.<br/> Vertebrates -- Anatomy.
<br/><br/><label>Dewey Class. No.: </label>566 ROM