{"description": {"type": "/type/text", "value": "Includes a review of United States history, from colonial times to the present, with model questions and answers."}, "last_modified": {"type": "/type/datetime", "value": "2020-11-08T05:02:51.655805"}, "title": "How to prepare for the advanced placement examination AP, American history", "created": {"type": "/type/datetime", "value": "2009-10-29T06:26:29.163171"}, "covers": [7118940], "subject_places": ["United States"], "subjects": ["Examinations, questions", "History"], "latest_revision": 7, "key": "/works/OL448582W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL19102A"}}], "type": {"key": "/type/work"}, "revision": 7}