1935–1945
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1939
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1934
Paul Wolff, 1933
Paul Wolff, 1937
Paul Wolff, 1931
Dr. Wolff & Tritschler OHG, 1938