{"created": {"type": "/type/datetime", "value": "2012-08-08T16:42:52.130758"}, "subjects": ["Harbor", "Commerce", "Harbors"], "latest_revision": 2, "key": "/works/OL16775431W", "title": "The port of Philadelphia, Pennsylvania, including Camden, N.J., Chester, Pa., Wilmington, Del", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2210075A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-09-13T13:16:54.260442"}, "covers": [5850261], "revision": 2}