{
  "name": "Build card: Indigo dye",
  "desc": "Build card for indigo dye: key construction point, name, category, period, materials, surviving examples and screen-swatch note, each with its source.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Tailor, Weaver, Jeweler, Dyer",
  "url": "https://tailorweaverjewelerdyer.com/color/indigo-dye/",
  "from": [
    "US Patent 5,378,246 (1995), background section",
    "Li et al. 2019, Journal of Ethnobiology and Ethnomedicine 15: 13 (CC BY 4.0)",
    "Li et al. 2022, Microbiology Spectrum 10(4): e01663-22 (CC BY 4.0)",
    "Encyclopédie, plates vol. 1 (1762) and vol. 8 (1765), public domain",
    "The Metropolitan Museum of Art catalogue data for 2003.177 (CC0)"
  ],
  "how": "Compiled by Tailor, Weaver, Jeweler, Dyer from the data listed",
  "data_by": [
    "Li, Cunningham, Fan and Wang, Identity blues: the ethnobotany of the indigo dyeing by Landian Yao (Iu Mien) in Yunnan, Southwest China, Journal of Ethnobiology and Ethnomedicine 15: 13, 2019, CC BY 4.0, https://doi.org/10.1186/s13002-019-0289-0",
    "Li, Shi, Huang, Tong, Wu and Wang, Fermentation Blues: Analyzing the Microbiota of Traditional Indigo Vat Dyeing in Hunan, China, Microbiology Spectrum 10(4): e01663-22, 2022, CC BY 4.0, https://doi.org/10.1128/spectrum.01663-22",
    "US Patent 5,378,246, Indigo dye process, Sally Gurley, filed 1993, granted 1995, https://patents.google.com/patent/US5378246A/en",
    "Encyclopédie, Recueil de planches, vol. 1 (Paris, 1762), Agriculture et économie rustique: Indigoterie et Manioc, explanation of the plate, public domain, https://artflsrv04.uchicago.edu/philologic5/encyclopedie0226/navigate/18/22",
    "Encyclopédie, vol. 8 (Paris, 1765), Indigo, public domain, https://artflsrv04.uchicago.edu/philologic5/encyclopedie0226/navigate/8/3019",
    "The Metropolitan Museum of Art, Ceremonial cloth, 2003.177, catalogue data CC0, https://commons.wikimedia.org/wiki/File:MET_DP156678.jpg"
  ]
}