Raizada, M. B Orchids of Mussoorie M. B. Raizada, H. B. Naithani, H. O. Saxena - Dehra Dun Bishen Singh Mahendra Pal Singh 1981 - ii, 100 p. : ill. ; 22 cm. Subjects--Topical Terms: Monocotyledones Orchidaceae Dewey Class. No.: 584.15 RAI