[
  {
    "id": "wikidata_wwi_registry",
    "name": "Wikidata First World War structured records",
    "type": "structured_open_data",
    "url": "https://www.wikidata.org/",
    "rights": "CC0",
    "note": "Used as source metadata registry for battles and operations."
  },
  {
    "id": "ap_wwi_seed_registry",
    "name": "AP WWI Atlas seed registry",
    "type": "curated_seed",
    "url": "https://araratpetrosyan.com/projects/world-war-i-atlas/",
    "rights": "AP research compilation",
    "note": "Navigation and schematic seed layers."
  }
]