@article{HarthPeter1992,
  author    = {Harth-Peter, W.},
  title     = {Frieden und Erziehung - Maria Montessori und die Welt von morgen},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-47117},
  year      = {1992},
  abstract  = {No abstract available},
  subject      = {Erziehung},
  language  = {de}
}
@misc{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Welcher Altersunterschied soll zwischen den Kindern in einer Montessori-Gruppe bestehen? / Rosy Joosten-Cotzen},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42766},
  year      = {1989},
  abstract  = {Im englischen Original: "But, the better may never be the opponent of the best!" Rosy Joosten-Cotzen. Aus dem Englischen {\"u}bersetzt und mit einer Einleitung versehen von Waltraud Harth-Peter: Welcher Altersunterschied soll zwischen den Kindern in einer Montessori-Gruppe bestehen?},
  subject      = {Erziehung},
  language  = {de}
}
@techreport{HarthPeter1990,
  author    = {Harth-Peter, Waltraud},
  title     = {Montessori in der DDR?},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42730},
  year      = {1990},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}
@techreport{HarthPeter1989,
  author    = {Harth-Peter, Waltraud},
  title     = {Generalversammlung der Association Montessori Internationale (AMI) vom 1. April 1989},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42695},
  year      = {1989},
  abstract  = {No abstract available},
  subject      = {Montessori},
  language  = {de}
}
@article{HarthPeter1992,
  author    = {Harth-Peter, Waltraud},
  title     = {Vorwort (Das Kind (1992) 11)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-43312},
  year      = {1992},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}
@article{HarthPeter1988,
  author    = {Harth-Peter, Waltraud},
  title     = {Vorwort (Das Kind (1988) 4)},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42806},
  year      = {1988},
  abstract  = {No abstract available},
  subject      = {Kind},
  language  = {de}
}