Impact Evaluation Study of National Social Forestry Project by D.V. Singh & B.K.Sikka, 1993.

Management of Social Forestry in Himachal Pradesh by K. P. Chand & R. Swarup, 1983.

Quiet Crisis in the Himalayas by J.P. Bhati & R. Swarup, 1980.

Statistical Profile of Western Himalayan Region by R. Swarup, 1980.