Rawat, I. S. (1973). Indian explorers of the 19th century: Account of explorations in the Himalayas, Tibet, Mangolia and Central Asia. Govnt. of India.

Rawat, Indra Singh. Indian Explorers of the 19th Century: Account of Explorations in the Himalayas, Tibet, Mangolia and Central Asia. New Delhi: Govnt. of India, 1973.

Rawat, Indra Singh. Indian Explorers of the 19th Century: Account of Explorations in the Himalayas, Tibet, Mangolia and Central Asia. Govnt. of India, 1973.