@book { TheProgressiveLegacy,
    title = "The Progressive Legacy",
    subtitle = "Chicago's Francis W. Parker School (1901-2001)",
    author = "Marie {Kirchner Stone}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1092645"
}