The source of the Fore Rhine at Mount Badus; Vorderrhein in front of the Piz Badus; where Lake Toma is officially known as the source of the Rhine; parallel title: The source of the Vorder-Rhine in the Badusberge - Source du Rhin ant閞ieur sortant du Mont Badus; Signed: Tombleson delt; Prior sculp; After S; 312; Tombleson; William (del.); Prior (sculp.); 1855; William Grendon Heathman: Switzerland in 1854-1855. A book of travel; men & things. London: Hope & Co.; 1855