- Gross, Alexander, 1879-1958
- Digital Commonwealth
- Boston Public Library
- Geographia" Ltd
Relief shown by gradient tints and spot heights. Area: from Dixmude to Blaireville ; from Aire to Toufflers. Shows place names, roads, railroads, approximate position of Allied Front prior to the Battle of the Somme. By Alexander Gross, F.R.G.S ; produced by "Geographia" Ltd.
- World War, 1914-1918--France, Northern--Maps
World War, 1914-1918--Belgium--Maps
- No known copyright restrictions. This work is licensed for use under a Creative Commons Attribution Non-Commercial Share Alike License (CC BY-NC-SA).