Photographs and a privately published memoir collected by Paul B. Anderson, YMCA official. Included are seven albums with photographs, taken by Charles Riley, from the YMCA mission in Siberia in 1920; and a privately published memoir Shifting Scenes in Siberia by Gail Berg Reitzel, discussing her experiences with the YMCA in Siberia in 1919-1920. Riley's albums specifically concern: the Czech legion, 1920; and YMCA service in Manchuria, Vladivostok, and Tomsk, 1920.