@book{steiner-ga83-de,
  author = {Steiner, Rudolf},
  title = {Westliche und östliche Weltgegensätzlichkeit},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {83},
  edition = {3},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1981},
  pagetotal = {402},
  isbn = {978-3-7274-0830-4},
  language = {german},
}

@book{steiner-ga83-en-hs1963,
  author = {Steiner, Rudolf},
  title = {The Tension Between East and West},
  translator = {B. A. Rowley},
  year = {1963},
  language = {english},
  note = {GA 83; edition code HS1963},
}

@online{anthroposophyai-ga83,
  author = {Steiner, Rudolf},
  title = {Westliche und östliche Weltgegensätzlichkeit (GA 83), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/83/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Westliche und östliche Weltgegensätzlichkeit (GA 83), as served by anthroposophy.ai, https://anthroposophy.ai/ga/83/, register entry https://anthroposophy.ai/contents/83/, status as of 2026-10-21: German served; English editions HS1963.},
}