1937
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1937
Paul Wolff, 1935
Paul Wolff, 1936
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1947
Dr. Wolff & Tritschler OHG, 1938