1930–1945
Dr. Wolff & Tritschler OHG, 1940
Dr. Wolff & Tritschler OHG, 1937
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1939
Dr. Wolff & Tritschler OHG, 1947
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1930