Campbell, Douglas Houghton,  1859-1953 <br/><br/>
The evolution of the land plants (Embryophyta) / 
by Douglas Houghton Campbell 
 - Allahabad :  Central Book Depot,  1961 
 - ix, 731 p. :  ill., diagrs ;  24 cm. 
<br/><br/>Bibliography at end of some of the chapters 
<br/><br/><label>ISBN: </label> Rs. 30.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryophyta<br/>Plants--Evolution<br/>Plants--Classification
<br/><br/><label>Dewey Class. No.: </label>582