Walton, John,  1895- <br/><br/>
An introduction to the study of fossil plants / 
John Walton,  
 - [2d ed.] 
 - London,  A. & C. Black,  1953. 
 - x, 201 p. ;  illus.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany.
<br/><br/><label>Dewey Class. No.: </label>561  / WAI 1953