Threatened Birds of India: Their Conservation Requirements
Rahmani, Asad R.
Birds of Nepal with Reference to Kashmir and Sikkim
FLEMING, Robert L. Sr., Robert L. FLEMING, Jr. and Lain Singh BANGDEL.
Handbook of the Birds of India and Pakistan: Together with Those of Nepal, Sikkim, Bhutan and Ceylon
ALI, S�lim and S. Dillon RIPLEY
A Photographic Guide to Birds of Sri Lanka
Wijeyeratne, Gehan De Silva; Warakagoda, Deepal; De Zylva, T. S. U.
The Birds of Sikkim
The Book of Indian Birds
A Guide to the Birds of Nepal, Second Edition
Inskipp, Carol; Inskipp, Tim
A Bird Watchers' Guide to Nepal
Birds of the Indian Subcontinent
Waterbirds of Northern India
Alfred, J.R.B.; Kumar, Arun; Tak, P.C.; Sati, J.P.
The Birds of Bhutan
Ali, Salim; Biswas, Biswamoy; Ripley, S. Dillon
Birds in Bangladesh