@Book{OL7141476M,
    title: {Stratford-on-Avon from the earliest times to the death of Shakespeare.},
    author: {Sir Sidney Lee},
    publisher: {Seeley},
    year: {1907},
    place: {London},
}

@Book{OL18023212M,
    title: {Shakespeare and his birthplace},
    author: {Emma Marshall},
    publisher: {E. Nister},
    year: {1890},
    place: {London},
}

@Author{OL1969123A,
    name: {Emma Marshall},
    birth_date: {1830}
    , death_date: {1899}
}