@book{BarceloBeetz1998,
  author    = {Barcel{\´o}, Pedro and Beetz, Petra},
  title     = {Expedition Geschichte : Regelschule Th{\"u}ringen ; Klasse 5 ; Bd. 1 Von der Urzeit bis zur Zeit der Griechen [Hauptband]},
  volume    = {1, Hauptbd. = 5. Kl},
  editor    = {Klose, Dagmar and Barcel{\´o}, Pedro},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-03401-4},
  pages     = {106 S.},
  year      = {1998},
  language  = {de}
}
@book{BeetzHallek2001,
  author    = {Beetz, Petra and Hallek, Dieter},
  title     = {Expedition Geschichte : Realschule Baden-W{\"u}rtemberg ; Klasse 8 ; Bd. 2. Von der Reformation bis zum Beginn des 20. Jahrhunderts},
  volume    = {2 = 8. Kl},
  editor    = {Reese, Armin and Uffelmann, Uwe and Klose, Dagmar and Osburg, Florian},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-10538-8},
  pages     = {244 S.},
  year      = {2001},
  language  = {de}
}
@book{BeetzClaussFiedler1999,
  author    = {Beetz, Petra and Clauss, Manfred and Fiedler, Almut},
  title     = {Expedition Geschichte : Mittelschule Sachsen ; Klasse 5 ; Bd. 1/2 Von der Urzeit bis zur Herausbildung der mittelalterlichen Welt [Lehrerband]},
  editor    = {Osburg, Florian and Klose, Dagmar and Barcel{\´o}, Pedro},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-09325-8},
  pages     = {97 S.},
  year      = {1999},
  language  = {de}
}
@book{BeetzClaussFiedler1998,
  author    = {Beetz, Petra and Clauss, Manfred and Fiedler, Almut},
  title     = {Expedition Geschichte : Mittelschule Sachsen ; Klasse 5 ; Bd. 1 Von der Urzeit bis zu den fr{\"u}hen Hochkulturen [Sch{\"u}lerarbeitsheft]},
  editor    = {Osburg, Florian and Klose, Dagmar and Barcel{\´o}, Pedro},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-93325-6},
  pages     = {47 S.},
  year      = {1998},
  language  = {de}
}
@book{BeetzClaussFiedler1997,
  author    = {Beetz, Petra and Clauss, Manfred and Fiedler, Almut},
  title     = {Expedition Geschichte : Mittelschule Sachsen ; Klasse 5 ; Bd. 1 Von der Urzeit bis zu den fr{\"u}hen Hochkulturen [Hauptband]},
  editor    = {Osburg, Florian and Klose, Dagmar and Barcel{\´o}, Pedro},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-03325-5},
  pages     = {75 S.},
  year      = {1997},
  language  = {de}
}
@book{BarceloBeetzClauss1997,
  author    = {Barcel{\´o}, Pedro and Beetz, Petra and Clauss, Manfred},
  title     = {Expedition Geschichte : F{\"o}rderstufe Sachsen-Anhalt ; Klassen 5/6 ; Bd. 1 Von der Urzeit bis zum Ende des Mittelalters [Hauptband]},
  volume    = {1 = Kl. 5 und 6},
  editor    = {Klose, Dagmar and Barcel{\´o}, Pedro},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-03385-9},
  pages     = {244 S.},
  year      = {1997},
  language  = {de}
}
@book{BeetzGeringHenningetal.1998,
  author    = {Beetz, Petra and Gering, Karin and Henning, Gudrun and Ilffert, Hanelore and Isensee, Werner and Klose, Dagmar and Knothe, Hanna and Kranz, Sabine and Osburg, Florian and Sapparth, Henry and Schmidt, Gundolf},
  title     = {Expedition Geschichte : Ausg. Brandenburg, Mecklenburg-Vorpommern, Schleswig-Holstein, Hamburg, Rheinland- Pfalz, Sachsen-Anhalt, Berlin ; Gesamtschule, Hauptschule, Realschule ; Bd. 1 Von der Urzeit bis zum r{\"o}mischen Kaiserreich [Sch{\"u}lerarbeitsheft 1]},
  volume    = {1},
  editor    = {Klose, Dagmar},
  publisher = {Diesterweg},
  address   = {Frankfurt am Main},
  isbn      = {3-425-93381-7},
  pages     = {63 S.},
  year      = {1998},
  language  = {de}
}