1940–1949
Paul Wolff, 1930
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1936
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1933
Dr. Wolff & Tritschler OHG, 1939
Dr. Wolff & Tritschler OHG, 1930