@BOOK{schiller:frueh,
  author = {Friedrich Schiller},
  title = {Frühe Gedichte},
  publisher = {Verlag A},
  keywords = {Friedrich Schiller,exist},
  year = {1779},
  pagetotal = {62}
}

@BOOK{schiller:spaet,
  author = {Friedrich Schiller},
  title = {Späte Gedichte},
  publisher = {Verlag B},
  keywords = {Friedrich Schiller},
  year = {1798},
  pagetotal = {73}
}

@BOOK{schiller:nachlass,
  author = {Friedrich Schiller},
  title = {Aus dem Nachlaß},
  publisher = {Verlag C},
  keywords = {Friedrich Schiller},
  year = {1820},
  pagetotal = {34}
}

@BOOK{silie:schiller.leben,
  author = {Peter Silie},
  title = {Schillers Leben},
  publisher = {Verlag CCC},
  keywords = {About Friedrich Schiller},
  year = {1920},
  pagetotal = {320}
}

@BOOK{bogen:schiller.tod,
  author = {Ellen Bogen},
  title = {Schillers Tod},
  publisher = {Verlag DDD},
  keywords = {About Friedrich Schiller},
  year = {1965},
  pagetotal = {175}
}

@BOOK{goethe:frueh,
  author = {Goethe, Johann Wolfgang},
  title = {Frühe Gedichte},
  publisher = {Verlag A},
  keywords = {Johann Wolfgang Goethe,exist},
  year = {1769},
  pagetotal = {62}
}

@BOOK{goethe:spaet,
  author = {Johann Wolfgang Goethe},
  title = {Späte Gedichte},
  publisher = {Verlag B},
  keywords = {Johann Wolfgang Goethe},
  year = {1788},
  pagetotal = {73}
}

@BOOK{goethe:nachlass,
  author = {Johann Wolfgang Goethe},
  title = {Aus dem Nachlaß},
  publisher = {Verlag C},
  keywords = {Johann Wolfgang Goethe},
  year = {1847},
  pagetotal = {34}
}

@BOOK{silie:goethe.leben,
  author = {Peter Silie},
  title = {Goethes Leben},
  publisher = {Verlag CCC},
  keywords = {About Johann Wolfgang Goethe},
  year = {1921},
  pagetotal = {387}
}

@BOOK{bogen:goethe.tod,
  author = {Ellen Bogen},
  title = {Goethes Tod},
  publisher = {Verlag DDD},
  keywords = {About Johann Wolfgang Goethe},
  year = {1966},
  pagetotal = {205}
}