@book{Krieck2022,
  author    = {Ernst Krieck},
  title     = {Grundriß der Erziehungswissenschaft : f{\"u}nf Vortr{\"a}ge},
  edition   = {11.-15. Tausend},
  url       = {https://archive.org/details/grundriss-der-erziehungswissenschaft},
  year      = {2022},
}