1935–1950
Paul Wolff, 1935
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1935
Paul Wolff, 1930
Paul Wolff, 1936
Paul Wolff, 1933
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1942