@Work{OL527464W,
    title: {Think and Grow Rich},
    author: {Napoleon Hill and Napoleon Hill and Napolean Hill},
    first_publish_year: {1937}
}

@Work{OL527460W,
    title: {Napoleon Hill's Keys to Success},
    author: {Napoleon Hill},
    first_publish_year: {1994}
}

@Author{OL37117A,
    name: {Napoleon Hill},
    birth_date: {1883}
    , death_date: {1970}
}