Title: Von Kommissaren und Kamelen
Subjects: Germans, Biography, Physicians, Social conditions, Hygienists, History, Scouts and scouting, History, 20th Century
Places: Soviet Union, Germany, USSR
People: Heinz Zeiss (1888-1949), Heinrich Zeiss (1888-1949)
Time periods: Revolution, 1917-1921, 1917-1936