1937
Paul Wolff, 1936
Dr. Wolff & Tritschler OHG, 1939
Paul Wolff, 1931
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1934
Paul Wolff, 1930
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1945