Wallace, Donald Mackenzie, 1841-1919. A short history of Russia and the Balkan states / Donald Mackenzie Wallace. - London : Encyclopaedia Britannica Co., 1914. - iv, 186 pages : illusrtations, tables ; 22 cm. - 9(09)(47) (NLA) . Subjects--Geographic Terms: Russia--History--Foreign relations--Balkan Peninsula Universal Decimal Class. No.: 9(09)(47) (NLA)