{
  "title": "Feature definitions for the ‘Marie Rogêt’ grid",
  "description": "One row per feature: its name, what counts as present, which forms count as transformed, and what absent in the checked text means.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Once Upon a Version",
  "page": "https://onceuponaversion.com/mystery-tellers/marie-roget-revisions/",
  "derived_from": [
    "E. A. Poe Society of Baltimore transcriptions of “The Mystery of Marie Roget” in The Ladies’ Companion (November 1842, December 1842, February 1843), Tales (1845) and the Society’s comparative text, https://www.eapoe.org/works/info/pt040.htm, retrieved 2026-11-03; selected quotations checked against page scans of the printed pages"
  ],
  "method": "Compiled by Once Upon a Version from the data listed",
  "data_credit": [
    "The Mystery of Marie Roget, The Ladies’ Companion (1842–43) and Tales (1845) texts, E. A. Poe Society of Baltimore transcriptions, retrieved 2026-11-03"
  ]
}