@book{steiner-ga2663-de,
  author = {Steiner, Rudolf},
  title = {Aus den Inhalten der esoterischen Stunden, Band III: 1913 und 1914; 1920 – 1923},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {266/3},
  edition = {3},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2024},
  pagetotal = {546},
  isbn = {978-3-7274-2664-3},
  language = {german},
}

@online{anthroposophyai-ga2663,
  author = {Steiner, Rudolf},
  title = {Aus den Inhalten der esoterischen Stunden, Band III: 1913 und 1914; 1920 – 1923 (GA 266/3), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/266-3/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Aus den Inhalten der esoterischen Stunden, Band III: 1913 und 1914; 1920 – 1923 (GA 266/3), as served by anthroposophy.ai, https://anthroposophy.ai/ga/266c/, register entry https://anthroposophy.ai/contents/266-3/, status as of 2026-10-21: German served; English editions English.},
}