@misc{Brechenmacher2020,
  author    = {Brechenmacher, Thomas},
  title     = {Gomperz, Ephraim, Itzig},
  publisher = {Stiftung Stadtmuseum Berlin},
  address   = {Berlin},
  pages     = {26},
  year      = {2020},
  language  = {de}
}
@misc{Kiesselbach2012,
  author    = {Kiesselbach, Matthias},
  title     = {Ethische Wirklichkeit : objektivit{\"a}t und vern{\"u}nftigkeit der Ethik aus pragmatischer Perspektive},
  series = {Quellen und Studien zur Philosophie},
  volume    = {109},
  journal   = {Quellen und Studien zur Philosophie},
  publisher = {de Gruyter},
  address   = {Berlin},
  isbn      = {978-3-11-028273-3},
  issn      = {0344-8142},
  doi       = {10.1515/9783110286106},
  pages     = {312 S.},
  year      = {2012},
  language  = {de}
}
@misc{Petsche2007,
  author    = {Petsche, Hans-Joachim},
  title     = {Begleitworte anl{\"a}sslich der {\"U}bergabe der Festschrift},
  isbn      = {978-3-89626-712-2},
  year      = {2007},
  language  = {de}
}