@Work{OL55649W,
    title: {Walden},
    author: {Henry David Thoreau},
    first_publish_year: {1854}
}

@Work{OL55611W,
    title: {Journal},
    author: {Henry David Thoreau},
    first_publish_year: {1906}
}

@Work{OL55670W,
    title: {A week on the Concord and Merrimack Rivers},
    author: {Henry David Thoreau},
    first_publish_year: {1849}
}

@Work{OL55689W,
    title: {The writings of Henry David Thoreau},
    author: {Henry David Thoreau},
    first_publish_year: {1884}
}

@Work{OL55724W,
    title: {Cape Cod},
    author: {Henry David Thoreau},
    first_publish_year: {1864}
}

@Work{OL55652W,
    title: {The thoughts of Thoreau},
    author: {Henry David Thoreau},
    first_publish_year: {1962}
}

@Work{OL55672W,
    title: {The Thoreau calendar},
    author: {Henry David Thoreau},
    first_publish_year: {1909}
}

@Author{OL19690A,
    name: {Henry David Thoreau},
    birth_date: {12 July 1817}
    , death_date: {6 May 1862}
}