Literatura dodatkowa
- Envis Team: Ecodestination of India-Sikkim Chapter. W: Eco-destinations of India [on-line]. The Environmental Information System (ENVIS), Ministry of Environment and Forest, Government of India, 2006-06-04. [dostęp 2006-12-01].
- Pradhan, Keshav, "Trading Heights", Times of India, Bombaj, Bennett, Coleman & Co. Ltd., 2006-07-06, ss. 10.
- Huggler, Justin, Coonan, Clifford. "China reopens natomiast passage to India", The Independent, 2006-06-20, ss. 124.
- Bashar, Iftekharul, "Indio-Chinese relations going back to Silk Route", Weekly Holiday, 2006-07-14 [dostęp 2006-12-02].
- Carrington, Michael, "Officers Gentlemen and Thieves: The Looting of Monasteries during the 1903/4 Younghusband Mission to Tibet", Modern Asian Studies 37, 1 (2003), pp 81–109.