[
 {
  "id": "steiner-ga17-de",
  "type": "book",
  "author": [
   {
    "family": "Steiner",
    "given": "Rudolf"
   }
  ],
  "title": "Die Schwelle der geistigen Welt (1913)",
  "publisher": "Rudolf Steiner Verlag",
  "publisher-place": "Basel",
  "ISBN": "978-3-7274-0171-8",
  "edition": "9",
  "collection-title": "Rudolf Steiner Gesamtausgabe",
  "collection-number": "17",
  "number-of-pages": "134",
  "issued": {
   "date-parts": [
    [
     2020
    ]
   ]
  },
  "language": "de"
 },
 {
  "id": "steiner-ga17-en-gpp1922",
  "type": "book",
  "author": [
   {
    "family": "Steiner",
    "given": "Rudolf"
   }
  ],
  "title": "The Threshold of the Spiritual World",
  "publisher": "G. P. Putnam's Sons",
  "note": "GA 17; edition code GPP1922",
  "issued": {
   "date-parts": [
    [
     1922
    ]
   ]
  },
  "language": "en"
 },
 {
  "id": "anthroposophyai-ga17",
  "type": "webpage",
  "author": [
   {
    "family": "Steiner",
    "given": "Rudolf"
   }
  ],
  "title": "Die Schwelle der geistigen Welt (1913) (GA 17), as served by anthroposophy.ai",
  "URL": "https://anthroposophy.ai/contents/17/",
  "note": "Rudolf Steiner, Die Schwelle der geistigen Welt (1913) (GA 17), as served by anthroposophy.ai, https://anthroposophy.ai/ga/17/, register entry https://anthroposophy.ai/contents/17/, status as of 2026-10-21: German served; English editions GPP1922.",
  "accessed": {
   "date-parts": [
    [
     2026,
     10,
     21
    ]
   ]
  }
 }
]