1930–1940
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1933
Paul Wolff, 1933
Dr. Wolff & Tritschler OHG, 1959
Dr. Wolff & Tritschler OHG, 1945
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1937
Paul Wolff, 1934