{
  "name": "Louisiana Purchase: timeline of 1803",
  "desc": "One row per dated step in the Louisiana negotiation and ratification, January to November 1803, with whether the step is a dated document or known only from Livingston's report, and its source.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Treaties & Tradeoffs",
  "url": "https://treatiesandtradeoffs.com/negotiation/louisiana-purchase/",
  "from": [],
  "how": "",
  "data_by": [
    "American State Papers, Foreign Relations, vol. II (1832), pp. 540–544, 552–554, 558–560; treaty and conventions of 30 April 1803 and Hunter Miller's notes (1931); Jefferson's message to the Senate of 11 January 1803; 2 Stat. 245; accessed 2026-11-02, public domain"
  ]
}