{
  "name": "Sealed-room mysteries in print, by 1838 to 1907",
  "desc": "Five sealed-room tales in order of first printing, from the Le Fanu tale (by 1838) to Leroux's 1907 serial: date and qualifier, venue, text read, how the room was sealed and opened, which earlier work each names and how, and public-domain status in the US, Germany and France, with a source on every row.",
  "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": [
    "Le Fanu, \"Passage in the Secret History of an Irish Countess\", The Purcell Papers vol. 2 (London, 1880), as transcribed at Wikisource (read 2 November 2026)",
    "A. P. Graves, memoir in The Purcell Papers vol. 1 (1880), Project Gutenberg eBook 509 (read 2 November 2026)",
    "Graham's Magazine vol. 18 no. 4 (April 1841) and the Raven Edition of Poe's Works (New York, P. F. Collier & Son, 1903), Project Gutenberg eBook 2147 and the Internet Archive record of the 1903 volume 1 (read 2 November 2026)",
    "Zangwill, The Big Bow Mystery (Rand, McNally, 1895), Project Gutenberg eBook 28164 (read 2 November 2026)",
    "The Strand Magazine vol. 3 no. 14 (February 1892), as transcribed at Wikisource (read 2 November 2026)",
    "Leroux, Le Mystère de la chambre jaune, Project Gutenberg eBook 13765, and The Encyclopedia of Science Fiction, \"Leroux, Gaston\" (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"
  ]
}