{"last_modified": {"type": "/type/datetime", "value": "2012-05-02T19:14:14.935071"}, "title": "The promotion of American commerce. Resolutions adopted by the Chicago Convention for the Promotion of Commerce, in reference to the promotion of American commerce", "created": {"type": "/type/datetime", "value": "2009-12-11T03:54:36.147028"}, "subjects": ["Railroads", "Interstate commerce", "Foreign trade promotion"], "latest_revision": 4, "key": "/works/OL11036068W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4521280A"}}], "type": {"key": "/type/work"}, "revision": 4}