1930–1940
Paul Wolff, 1940
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1938
Dr. Wolff & Tritschler OHG, 1961
Paul Wolff, 1930
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1937