@Book{OL6793843M,
    title: {A history of Britain},
    author: {Simon Schama},
    publisher: {Hyperion},
    year: {2000},
    place: {New York},
}

@Book{OL31300027M,
    title: {The English and their history},
    author: {Robert Tombs},
    publisher: {Allen Lane, an imprint of Penguin Books},
    year: {2014},
    place: {Strand, London, England},
}

@Author{OL20107A,
    name: {Robert Tombs},
}