license_info

{"http://creativecommons.org/licenses/by-nc-sa/4.0/": "CC-BY-NC-SA-4.0",
"http://creativecommons.org/licenses/by-nc/4.0/": "CC-BY-NC-4.0",
"http://creativecommons.org/licenses/by-nc-nd/4.0/": "CC-BY-NC-ND-4.0",
"http://creativecommons.org/licenses/by/4.0/": "CC-BY-4.0",
"http://creativecommons.org/licenses/by-sa/4.0/": "CC-BY-SA-4.0",
"https://creativecommons.org/share-your-work/public-domain/cc0/": "CC0-1.0",
"Creative Commons - Attribution": "CC-BY-4.0",
"Creative Commons - Attribution - Share Alike": "CC-BY-SA-4.0",
"Creative Commons - Attribution - Non-Commercial - Share Alike": "CC-BY-NC-SA-4.0",
"Creative Commons - Attribution - Non-Commercial": "CC-BY-NC-4.0",
"Creative Commons - Attribution - Non-Commercial - No Derivatives": "CC-BY-NC-ND-4.0",
"CC BY-NC": "CC-BY-NC-4.0",
"CC BY": "CC-BY-4.0",
"CC BY-NC-SA": "CC-BY-NC-SA-4.0",
"CC BY-SA": "CC-BY-SA-4.0",
"CC BY-NC-ND": "CC-BY-NC-ND-4.0"
}