@book { WatchingSlavery,
    title = "Watching Slavery",
    subtitle = "Witness Texts and Travel Reports",
    author = "Joe {Lockard}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1104636"
}