1940–1943
Paul Wolff, 1938
Paul Wolff, 1937
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1947
Dr. Wolff & Tritschler OHG, 1933
Paul Wolff, 1933
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1934