Frank Ruhl Libre / 400
{
  "copyright": {
    "en": "Copyright 2015 The Frank Ruhl Libre Project Authors (https://github.com/fontef/frankruhllibre)"
  },
  "licenseURL": {
    "en": "https://scripts.sil.org/OFL"
  }
}

Frank Ruhl Libre / 600
{
  "copyright": {
    "en": "Copyright 2015 The Frank Ruhl Libre Project Authors (https://github.com/fontef/frankruhllibre)"
  },
  "licenseURL": {
    "en": "https://scripts.sil.org/OFL"
  }
}

Frank Ruhl Libre / 700
{
  "copyright": {
    "en": "Copyright 2015 The Frank Ruhl Libre Project Authors (https://github.com/fontef/frankruhllibre)"
  },
  "licenseURL": {
    "en": "https://scripts.sil.org/OFL"
  }
}