{
  "name": "Known then: Richthofen names the routes, 1877",
  "desc": "Known then: card for Richthofen's choice of words in 1877; each item carries its source number from the article.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Treaties & Tradeoffs",
  "url": "https://treatiesandtradeoffs.com/logistics/silk-road/",
  "from": [],
  "how": "",
  "data_by": [
    "Ferdinand von Richthofen, China, vol. 1 (Berlin: Reimer, 1877), pp. 454–507 and plate 8, Staatsbibliothek zu Berlin digital copy, accessed 2026-11-02, public domain"
  ]
}