@Book{OL24231218M,
    title: {Tales from Shakespeare.},
    author: {Charles Lamb and Mary Lamb and Mary Lamb},
    publisher: {Phillips, Sampson, and company},
    year: {1856},
    place: {Boston},
}

@Author{OL18271A,
    name: {Charles Lamb},
    birth_date: {10 February 1775}
    , death_date: {27 December 1834}
}
@Author{OL589880A,
    name: {Mary Lamb},
    birth_date: {1764}
    , death_date: {1847}
}
@Author{OL7548862A,
    name: {Mary Lamb},
}