{"type": {"key": "/type/work"}, "title": "The rhythm of history", "subjects": ["Phi Beta Kappa. Massachusetts Alpha (Harvard University)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2503309A"}}], "key": "/works/OL45274167W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-30T03:14:27.620740"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-30T03:14:27.620740"}}