1930–1942
Paul Wolff, 1938
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1927
Dr. Wolff & Tritschler OHG, 1961
Paul Wolff, 1935
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1938
Paul Wolff, 1942