Note 1: Marguerite Engberg: Danish silent film I, pp.11-13. Danish silent film II, p. 648. Arnold Hending: Da Polbjørnen var lille, p.11-12. Erik Nørgaard: Live Pictures in Denmark. From “The Old Cinema” to modern times…”, p. 20. Niels Jørgen Dinnesen & Edvin Kau: Filmen i Danmark, 19, 27.