{"first_publish_date": "1873", "last_modified": {"type": "/type/datetime", "value": "2020-08-11T07:28:57.481308"}, "title": "Historical address on the early exploration and settlement of the Mississippi Valley", "created": {"type": "/type/datetime", "value": "2009-12-09T21:59:42.636493"}, "covers": [5854915], "subject_places": ["Mississippi River Valley", "New France"], "lc_classifications": ["F351 .P26"], "latest_revision": 6, "key": "/works/OL1617831W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL177339A"}}], "dewey_number": ["976"], "type": {"key": "/type/work"}, "subjects": ["History", "Discovery and exploration", "Histoire"], "revision": 6}