==References====External links== ==References== 14 autographs. 1863-1951. Collection of 11 letters and 3 postcards of some great stars who were temporarily active in Berlin or Saxony on stage or in film. Available: Ludwig Barnay (2 letters 1880, 1903), Gertrud Eysoldt (postcard 1951), Anton Hartmann (post card 1906), Wolfgang Liebeneiner (letter as UFA production director to Prof. Hans Knudsen, 1944), Adalbert Matkowsky (letters 1898; enclosed with a portrait-photo-postcard, labeled by another hand), Bernhard Minetti (lettar 1934 to Prof Hans Knudesen), Asta Nielsen (postage card before 1945 from Copenhagen to Victor de Kowa in Berlin), Hedwig Niemann-Raabe (letter 1887 to Ludwig Barnay), Marie Niemann - Seebach (letters 1870), Max Pohl (lettar 1921), Anna Schramm (lettered letter 1899 to a doctor), Felix Schweighofer (letted letter Dresden 1892), Pauline Ulrich (letting letter 1863). Meeting (Berlin 19.I.1886).