Rittershausen, P.R.C. <br/><br/>
Successful orchid culture/ 
P.R.C. Rittershausen 
 - repr. 
 - London:  W.H. and L. Collingridge,  1956 
 - 136 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchard culture<br/>Orchard--Diseases and pests<br/>Orchard--Breeding
<br/><br/><label>Dewey Class. No.: </label>635.93415