Romer, Alfred S. <br/><br/>
The vertebrate story / 
by Alfred S. Romer. 
 - 4th ed. 
 - Chicago :  University of Chicago Press,  c1959. 
 - 437 p. :  ill. 
<br/><br/> "A revised and enlarged edition of 'Man and the vertebrates.'" 
<br/><br/><label>ISBN: </label>58-11957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates.<br/>Evolution.<br/>Paleontology.