@book { PassioNovaDasOberammergauerPassionsspielvon1750,
    title = "Passio Nova. Das Oberammergauer Passionsspiel von 1750",
    subtitle = "Historisch-Kritische Ausgabe von P. Stephan Schaller",
    author = " {Anonym}",
    year = "1976",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069690"
}