{
  "title": "River crossing puzzle data card",
  "description": "Data card for the river crossing puzzle page: name, Latin title, type, earliest text read, how it was checked, editorial difficulty, search size and related entries, with the source for each field that has one. Compiled 2026-10-31. License CC BY 4.0.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Puzzles, Charts & Dilemmas",
  "page": "https://puzzleschartsanddilemmas.com/puzzles/river-crossing-puzzle/",
  "derived_from": [
    "J.-P. Migne (ed.), Patrologia Latina, vol. 101, cols. 1149-1150, Propositiones ad acuendos iuvenes, problem XVIII, https://archive.org/details/patrologiaecur101mign (public domain)",
    "Search size from this page's table of the 16 bank arrangements (river-crossing-states.csv)"
  ],
  "method": "Compiled by Puzzles, Charts & Dilemmas from the data listed"
}