{"type": {"key": "/type/work"}, "title": "The Witmark amateur minstrel guide and burnt cork encyclopedia", "subjects": ["Minstrel shows", "Amateur plays"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL159908A"}}], "key": "/works/OL42908082W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-04-18T07:28:36.867942"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-18T07:28:36.867942"}}