{"covers": [4332678], "last_modified": {"type": "/type/datetime", "value": "2010-12-05T02:48:10.868484"}, "latest_revision": 4, "key": "/works/OL6134821W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1568443A"}}], "created": {"type": "/type/datetime", "value": "2009-12-10T18:37:12.514345"}, "title": "Regulation of commerce under the federal Constitution", "subject_places": ["United States"], "subjects": ["Commercial law", "Commercial policy", "Constitutional law", "Interstate commerce", "Law and legislation", "Taxation"], "type": {"key": "/type/work"}, "revision": 4}