@Book{OL24206417M,
    title: {European and American professional sourdough cooking and recipes},
    author: {George Leonard Herter},
    publisher: {Herter's, Inc.},
    year: {1974},
    place: {Waseca, MN},
}

@Book{OL4560460M,
    title: {Rita Davenport's Sourdough cookery.},
    author: {Rita Davenport},
    publisher: {H.P. Books},
    year: {1977},
    place: {Tucson, AZ},
}

@Book{OL24953156M,
    title: {250 breads, biscuits and rolls},
    author: {Culinary Arts Institute.},
    publisher: {Consolidated Book Publishers},
    year: {1969},
    place: {Chicago, Ill},
}

@Work{OL1798759W,
    title: {Boston Cooking-School cook book},
    author: {Fannie Merritt Farmer},
    first_publish_year: {1900}
}

@Author{OL215911A,
    name: {Fannie Merritt Farmer},
    birth_date: {1857}
    , death_date: {1915}
}