Clarke, Charles Baron. <br/><br/>
A review of the ferns of northern india /  
by Charles Baron Clarke. 
 - 1st ed /  
 - Dehra Dun :   M/S.Bishen Singh Mahendra Pal Singh. 
 - 425-619p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I42.445  / L3