@Book{OL36619867M,
    title: {The Return of the King},
    author: {J.R.R. Tolkien},
    publisher: {HarperCollins Publishers},
    year: {1999},
    place: {London},
}

@Book{OL29848958M,
    title: {The Fellowship of the Ring},
    author: {J.R.R. Tolkien},
    publisher: {Mariner Books \textbar{} Houghton Mifflin Harcourt},
    year: {2020},
    place: {Boston},
}

@Book{OL33891934M,
    title: {The Hobbit},
    author: {J.R.R. Tolkien},
    publisher: {Mariner Books},
    year: {2013},
    place: {Boston},
}

@Book{OL22581121M,
    title: {The Silmarillion},
    author: {J.R.R. Tolkien},
    publisher: {Ballantine Books},
    year: {2002},
    place: {New York},
}

@Book{OL37038870M,
    title: {The Two Towers},
    author: {J.R.R. Tolkien},
    publisher: {HarperCollins Publishers},
    year: {2010},
    place: {London},
}

@Author{OL26320A,
    name: {J.R.R. Tolkien},
    birth_date: {3 January 1892}
    , death_date: {2 September 1973}
}