The orchids of the Sikkim - Himalaya
by Sir George King and Robert Pantling.
- Densa Dun Bishen Singh Matendra Pal Singh 1979.
- 342 pages. : illustrations. ; 31 cm.
- Annals of the Royal Botanic Garden, Calcutta v.8. .
Reprint: Originally published by the Bengal Scretariat Press, Calcutta, 1898.