Vergun D. N. German Drang nach Osten with a map of German invasions on Slavic soil. In Russian (ask us if in doubt)/Vergun D. N. Nemetskiy Drang nach Osten s kartoyu nemetskikh zakhvatov na slavyanskoy zemle. Vienna 1905. 65 p. SKUalbff19a9d0be2e00ee.