1930–1940
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1938
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1939
Dr. Wolff & Tritschler OHG, 1961
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1935
Paul Wolff, 1940
Dr. Wolff & Tritschler OHG, 1942