1942
Paul Wolff, 1930
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1936
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1935
Paul Wolff, 1940
Dr. Wolff & Tritschler OHG, 1927