@Book{OL5795536M,
    title: {Logic, an introduction.},
    author: {Lionel Ruby},
    publisher: {Lippincott},
    year: {1960},
    place: {Chicago},
}

@Book{OL22894485M,
    title: {The story of early Britain},
    author: {Alfred John Church},
    publisher: {G.P. Putnam's sons},
    year: {1893},
    place: {New York},
}

@Work{OL3938052W,
    title: {The intellectuals and the masses},
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}

@Work{OL1133695W,
    title: {The aims of education},
    author: {Alfred North Whitehead},
    first_publish_year: {1929}
}

@Author{OL115663A,
    name: {Alfred North Whitehead},
    birth_date: {1861}
    , death_date: {1947}
}