Elsaesser, Thomas; Wedel, Michael, eds. (1996). A Second Life: German Cinema's First Decades. Amsterdam: Amsterdam University Press. ISBN978-90-5356-172-0.
References
^Eisner, Lotte H. (29 September 2008). The Haunted Screen. Berkeley, Calif.: Univ of California Press. p. 349. ISBN978-0-520-25790-0.