@Book{OL24190210M,
    title: {Leaves of Grass},
    author: {Walt Whitman},
    publisher: {Thayer and Eldridge},
    year: {1860},
    place: {Boston},
}

@Book{OL8133214M,
    title: {Viking Book of Aphorisms},
    publisher: {Dorset Press},
    year: {1920},
}