{"subject_places": ["Canada"], "subjects": ["Canals", "Commerce", "Free trade"], "key": "/works/OL7150753W", "title": "De l'avenir et de l'influence des canaux du Canada", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2038278A"}}], "type": {"key": "/type/work"}, "covers": [6325638], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T20:28:51.750389"}, "last_modified": {"type": "/type/datetime", "value": "2025-09-02T21:37:40.896338"}}