{
  "name": "Edition card: the locked-room mystery",
  "desc": "The edition card for the sealed-room murder, field by field, with a source for each value.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Genre Fiction Lineage",
  "url": "https://genrefictionlineage.com/detective-fiction/locked-room-mystery/",
  "from": [
    "First row of the sealed-room lineage CSV on the same page",
    "A. P. Graves, memoir in The Purcell Papers vol. 1 (1880), Project Gutenberg eBook 509 (read 2 November 2026)"
  ],
  "how": "Compiled by Genre Fiction Lineage from the data listed",
  "data_by": [
    "Dates and passages checked against the public-domain texts and records listed on the entry page"
  ]
}