Kapczynski, Jennifer M. and Michael David Richardson. A New History of German Cinema, p. 52. Rochester, New York: Camden House, 2012.
Maurer, Warren R. Understanding Gerhart Hauptmann, pp. xiv, 111, 114, 117. Columbia, South Carolina: University of South Carolina Press, 1992.
jstor.org
Heuser, Frederick W. J. "The Life of Ida Orloff", in Proceedings of the Modern Language Association, Vol. 72, No. 4, September 1957, pp. 737-774. New York, New York: Modern Language Association.
