@Book{OL26368543M,
    title: {Anarchismus},
    author: {Christa Dericum},
    publisher: {Evangelische Akademie Arnoldsheim},
    year: {1987},
    place: {Schmitten, Germany},
}

@Book{OL46533517M,
    title: {Die Krisentendenz des auf den Wert gegründeten Produktionsweise},
    author: {Rainer Künzel},
    publisher: {Freie Universität Berlin},
    year: {1976},
    place: {Berlin, Germany},
}

@Book{OL1120189M,
    title: {Jean Grave and the Anarchist Tradition in France},
    author: {Louis Patsouras},
    publisher: {Caslon Co.},
    year: {1995},
    place: {Middletown, N.J},
}

@Book{OL28207356M,
    title: {Werke in 43 Bänden, Band 7, August 1849 Juni 1851},
    author: {Karl Marx},
    publisher: {Dietz},
    year: {1957},
}

@Book{OL46529496M,
    title: {Anarchisme en Nihilisme},
    author: {Jan Börger},
    publisher: {Jan Börger-Bibliotheek},
    year: {1993},
    place: {Moerkapelle, Netherlands},
}

@Book{OL9051734M,
    title: {Tolstoj},
    author: {Maximilian Braun},
    publisher: {Vandenhoeck und Ruprecht},
    year: {1978},
    place: {Göttingen, Germany},
}

@Book{OL32405207M,
    title: {Gesammelte Schriften},
    author: {Edgar Allan Poe},
    publisher: {Weltbild},
    year: {1990},
    place: {Augsburg, Germany},
}

@Author{OL28127A,
    name: {Edgar Allan Poe},
    birth_date: {19 January 1809}
    , death_date: {7 October 1849}
}