Die Gotthandbahn. Le chemin de fer du Saint-Gothard. La Ferrovia del San Gottardo. The Gotthard Railway.
[London :  Ian Allan Ltd., 
1971]
Backed by: Wassen Dazio Grande and Biaschina [spiral tunnels]
In: The Gotthard Railway [by] Franz Marti and Walter Trüb.
The map is in a pocket at the back of the volume.