{
  "title": "Early sources on Prussian blue",
  "description": "Early sources on Prussian blue, one claim per row: year, who made the claim, what it says, whether it tells the accident story, the evidence type and how much of the source was read. Claims are summarized in this site's words.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/color/prussian-blue/",
  "derived_from": [
    "Kraft 2008 and the sources it cites; Stahl 1731 pp. 280-283 and Philosophical Transactions 33: 15-17 (scanned copies); Seymour et al. 2020; Gargano et al. 2022"
  ],
  "method": "Compiled by Tricks of Ear and Eye from the data listed",
  "data_credit": [
    "Claims summarized row by row from Kraft 2008 (Bulletin for the History of Chemistry 33(2): 61-67, read in full, paraphrased), from scanned copies of Stahl 1731 and Woodward 1724 read for verification, and from Seymour et al. 2020 and Gargano et al. 2022 (CC BY)"
  ]
}