1930–1945
Paul Wolff, 1936
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1933
Paul Wolff, 1935
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1930
Dr. Wolff & Tritschler OHG, 1938
Dr. Wolff & Tritschler OHG, 1961