1942
Paul Wolff, 1939
Dr. Wolff & Tritschler OHG, 1947
Paul Wolff, 1937
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1937
Dr. Wolff & Tritschler OHG, 1939
Paul Wolff, 1940
Dr. Wolff & Tritschler OHG, 1934