Colbert, Edwin H. (Edwin Harris), 1905- <br/><br/>
An outline of vertebrate evolution 
Edwin H. Colbert 
 - Burlington  Carolina Biological Supply Co.  1989 
 - 15 p. : ill. ; 24 cm. 
 - Carolina biology readers  no.131 .
<br/><br/><label>ISBN: </label>0892783311 
<br/><br/><label>LCCN: </label>81-67987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates--Evolution