Title: Die ersten Menschen = The first human beings : Oper in zwei Aufzügen /
Authors: Stephan, Rudi, 1887-1915,; Louis, Rudolf, 1870-1914,; Holl, Karl, 1892-1975,; Borngräber, Otto, 1874-1916.
Year: 2017
Subjects: Operas Vocal scores with piano