Pilsudsky Br. I. At the bear festival of the Ainu people of Sakhalin Island. In Russian (ask us if in doubt)/Pilsudskiy Br. I. Na medvezhem prazdnike aynov o. Sakhalina. Pg. Smirnov, 1915, 96 p. SKUalb1ade969c9bf770b9.