@Book{OL24217430M,
    title: {The progressive era: 1901-1917},
    author: {May, Ernest R.},
    publisher: {Time, inc.},
    year: {1964},
    place: {New York},
}

@Work{OL14993661W,
    title: {Game Change},
    author: {John Heilemann and Mark Halperin},
    first_publish_year: {2009}
}

@Work{OL2687879W,
    title: {The promise of American life},
    author: {Herbert David Croly},
    first_publish_year: {1909}
}

@Work{OL493158W,
    title: {The Adams-Jefferson letters},
    author: {John Adams},
    first_publish_year: {1959}
}

@Work{OL15963726W,
    title: {The progressive era},
    author: {Arthur Mann},
    first_publish_year: {1963}
}

@Author{OL6950348A,
    name: {Arthur Mann},
    birth_date: {1922}
    , death_date: {1993}
}