@book{ title = "Fürstenbuch von Österreich und Steierland", author = "Jansen Enikel, Jans", year = "[ca. 1917]", publisher = "Weichelt", address = "Wien", language = "ger", howpublished = "print", note = "In Fraktur", series = "Deutsch-österreichische National-Bibliothek, 123/124", }