@book{steiner-ga220-de,
  author = {Steiner, Rudolf},
  title = {Lebendiges Naturerkennen. Intellektueller Sündenfall und spirituelle Sündenerhebung},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {220},
  edition = {2},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1982},
  pagetotal = {224},
  isbn = {978-3-7274-2200-3},
  language = {german},
}

@book{steiner-ga220-en-sol2024,
  author = {Steiner, Rudolf},
  title = {The Intellectual Fall from Grace and Spiritual Ascent of Sins},
  publisher = {Steiner Online Library},
  year = {2024},
  language = {english},
  note = {GA 220; edition code SOL2024},
}

@online{anthroposophyai-ga220,
  author = {Steiner, Rudolf},
  title = {Lebendiges Naturerkennen. Intellektueller Sündenfall und spirituelle Sündenerhebung (GA 220), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/220/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Lebendiges Naturerkennen. Intellektueller Sündenfall und spirituelle Sündenerhebung (GA 220), as served by anthroposophy.ai, https://anthroposophy.ai/ga/220/, register entry https://anthroposophy.ai/contents/220/, status as of 2026-10-21: German served; English editions SOL2024.},
}