Rittershausen, Brian., <br/><br/>
Orchids in colour 
Brian and Wilma Rittershausen photographs by Robin Fletcher. 
 - Poole, Dorset  Blandford Press  1979. 
 - 192 pages. :  illustrations. ;  20 cm. 
<br/><br/><label>ISBN: </label>713708759X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids<br/>Orchid culture<br/>Orchids--Pictorial works