How the Germans defeated the forehead of the Osovets fortress (1914-15)

Barmin, A.How the Germans defeated the forehead on the fortress of Osovets (1914-15) / Ex.polit.propaganda Leningrad.military.district.- Leningrad: [B.and.], 1941. -24 s .. - (to help the propagandist and agitator).I. Leningrad Military District.Political Administration. 1.People (collection).Electronic copy source: PBOriginal storage location: RSG