1939–1947
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1945
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1935
Paul Wolff, 1938
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1935
Paul Wolff, 1942