@book{steiner-ga117-de,
  author = {Steiner, Rudolf},
  title = {Die tieferen Geheimnisse des Menschheitswerdens im Lichte der Evangelien},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {117},
  edition = {3},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2017},
  pagetotal = {242},
  isbn = {978-3-7274-1170-0},
  language = {german},
}

@book{steiner-ga117-en-apc1957,
  author = {Steiner, Rudolf},
  title = {Deeper Secrets of Human History},
  translator = {D. S. Osmond and A. P. Shepherd},
  publisher = {Anthroposophic Press},
  year = {1957},
  language = {english},
  note = {GA 117; edition code APC1957},
}

@online{anthroposophyai-ga117,
  author = {Steiner, Rudolf},
  title = {Die tieferen Geheimnisse des Menschheitswerdens im Lichte der Evangelien (GA 117), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/117/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Die tieferen Geheimnisse des Menschheitswerdens im Lichte der Evangelien (GA 117), as served by anthroposophy.ai, https://anthroposophy.ai/ga/117/, register entry https://anthroposophy.ai/contents/117/, status as of 2026-10-21: German served; English editions APC1957.},
}