undertook 3 journeys to Tibet Ⓢ
1865-1866: travelled from Nepal to Lhasa Marshall 2005 (p. 279)
1867: mission to Western Tibet Marshall 2005 (p. 279)
1873-1875: journey from Leh to Lhasa (through Tengri Nor), returned via Tawang to Assam Marshall 2005 (p. 279)