{"created": {"type": "/type/datetime", "value": "2009-12-10T19:45:14.809520"}, "subject_places": ["Montana"], "subjects": ["Indians of North America", "Picture-writing, Indian"], "latest_revision": 2, "key": "/works/OL6786200W", "title": "A preliminary survey of prehistoric picture writing on rock surfaces in central & south central Montana", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1852070A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-05T20:53:44.693622"}, "revision": 2}