Original: Erich Matthias, The Downfall of the Old Social Democratic Party in 1933 pages 51–105 from Republic to Reich The Making of the Nazi Revolution Ten Essays edited by Hajo Holborn, (New York: Pantheon Books, 1972).
Simplified: Erich Matthias The Downfall of the Old Social Democratic Party in 1933 pages 51-105 from Republic to Reich The Making of the Nazi Revolution Ten Essays edited by Hajo Holborn, (New York: Pantheon Books, 1972).