“K. Dibbets, Sprekende Films. De Komst Van De Geluidsfilm in Nederland 1928-1933”. BMGN - Low Countries Historical Review 110, no. 2 (January 1, 1995): 313–315. Accessed November 22, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104657.