@book{9783896934048,
  title = {Carl Hauptmann 1858–1921},
  editor = {Miroslawa Czarnecka,Hans-Gert Roloff},
  publisher = {Frank \& Timme},
  year = {2004},
  edition = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/carl\_hauptmann\_1858-1921}
}