@book { DieFrhzeitderenglischenGrammatik,
    title = "Die Frühzeit der englischen Grammatik",
    author = "Otto {Funke}",
    year = "1941",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069258"
}