1930–1935
Dr. Wolff & Tritschler OHG, 1935
Paul Wolff, 1937
Dr. Wolff & Tritschler OHG, 1927
Paul Wolff, 1939
Paul Wolff, 1930
Paul Wolff, 1933
Dr. Wolff & Tritschler OHG, 1931
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930