@book{steiner-ga27-de,
  author = {Steiner, Rudolf},
  title = {Grundlegendes für eine Erweiterung der Heilkunst nach geisteswissenschaftlichen Erkenntnissen (1925)},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {27},
  edition = {8},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2014},
  pagetotal = {154},
  isbn = {978-3-7274-7011-0},
  language = {german},
}

@book{steiner-ga27-en-rsp1983,
  author = {Steiner, Rudolf},
  title = {Fundamentals of Therapy},
  publisher = {Rudolf Steiner Press},
  address = {London},
  year = {1983},
  isbn = {0-85440-423-6},
  language = {english},
  note = {GA 27; edition code RSP1983},
}

@online{anthroposophyai-ga27,
  author = {Steiner, Rudolf},
  title = {Grundlegendes für eine Erweiterung der Heilkunst nach geisteswissenschaftlichen Erkenntnissen (1925) (GA 27), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/27/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Grundlegendes für eine Erweiterung der Heilkunst nach geisteswissenschaftlichen Erkenntnissen (1925) (GA 27), as served by anthroposophy.ai, https://anthroposophy.ai/ga/27/, register entry https://anthroposophy.ai/contents/27/, status as of 2026-10-21: German served; English editions RSP1983.},
}