@Book{OL7203499M,
    title: {What to draw and how to draw it},
    author: {Edwin George Lutz},
    publisher: {Dodd, Mead},
    year: {1913},
    place: {New York},
}

@Work{OL181332W,
    title: {Figure Drawing for All It's Worth},
    author: {Andrew Loomis},
    first_publish_year: {1943}
}

@Work{OL11359033W,
    title: {The Eye of the Painter and the Elements of Beauty},
    author: {Andrew Loomis},
    first_publish_year: {1960}
}

@Work{OL972927W,
    title: {Pedagogical sketchbook},
    author: {Paul Klee},
    first_publish_year: {1925}
}

@Work{OL98166W,
    title: {Menschliches, Allzumenschliches},
    author: {Friedrich Nietzsche},
    first_publish_year: {1878}
}

@Work{OL2908626W,
    title: {Rockwell on Rockwell},
    author: {Norman Rockwell},
    first_publish_year: {1979}
}

@Author{OL443116A,
    name: {Norman Rockwell},
    birth_date: {1894-02-03}
    , death_date: {1978-11-08}
}