{"first_publish_date": "1993", "last_modified": {"type": "/type/datetime", "value": "2020-02-13T07:46:00.630757"}, "title": "Pioneers of California", "created": {"type": "/type/datetime", "value": "2009-12-10T01:36:46.105766"}, "covers": [1682541, 6820882], "subject_places": ["California"], "lc_classifications": ["F864 .L66 1993"], "latest_revision": 7, "key": "/works/OL3030733W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL467510A"}}], "dewey_number": ["979.4/0099"], "subjects": ["Biography", "Pioneers", "History", "Kolonisten"], "type": {"key": "/type/work"}, "subject_times": ["To 1846"], "revision": 7}