Graham Sandberg: The exploration of Tibet. Its history and particulars from 1623 to 1904 (Calcutta: Thacker, Spink Co., 1904)
- Bibliographic reference: BS col. 2889
- Digitized:
> SBB-PK (shelfmark: Un: 8282/4)
> Internet Archive (digitizing sponsor: Google; book contributor: Harvard University) - No copy listed in Wiener China-Bibliographie