{"last_modified": {"type": "/type/datetime", "value": "2012-05-02T19:14:14.935071"}, "title": "Delaware Breakwater. Letter from the Secretary of War, transmitting Information relative to surveys for a harbor at the Delaware Breakwater", "created": {"type": "/type/datetime", "value": "2009-12-11T03:54:33.039096"}, "subjects": ["Embankments", "Harbors", "Topographical surveying"], "latest_revision": 4, "key": "/works/OL11035607W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4521280A"}}], "type": {"key": "/type/work"}, "revision": 4}