1900-1918
1908 Вечные загробные тайны, как живут наши умершие их союз с живыми. Eternal secrets of the afterlife , how our deceased live, their bond with the living
Amid the Storm in Russia published in USA
1915 Relief map of Northeastern Prussia and the Baltic Provinces of Russia
1918 Across Russia and Siberia Czech émigré diary
1907 Catalogue of the Imperial Picture Gallery: Old Masters
1912 German first edition Norwegian Expedition
1914 Genealogical Handbook of Aryan-Jewish Marriages)
Der Antisemitismus in Russland 1909
1909 Русские мужики. Russian peasants
1904 Russo-Japanese War in Words and Pictures
