General map of Eastern Turkestan and Tibet on the scale of 1:1,000,000 embracing ... Sven Hedin's routes 1894-1908 and those of other recent travellers ... / 
Byström, A. H.
Hedin, Sven Anders.
Kjellström, Otto.
[Stockholm :  Swedish Army General Staff, 
1917]
In: Southern Tibet. Discoveries in former times compared with my own researches in 1906-1908. By S. Hedin. [Vol. 10.] Maps 1.
The index map is Byström's General Map of Central Asia and Tibet.