1930–1940
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1959
Dr. Wolff & Tritschler OHG, 1942
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1945
Dr. Wolff & Tritschler OHG, 1940
Paul Wolff, 1929
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1933