1933–1945
Dr. Wolff & Tritschler OHG, 1927
Dr. Wolff & Tritschler OHG, 1937
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1945
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1940
Paul Wolff, 1930