{"created": {"type": "/type/datetime", "value": "2019-03-01T06:27:05.519540"}, "subjects": ["Mineralogy", "Precious stones", "Popular works", "Geology"], "latest_revision": 1, "key": "/works/OL19084407W", "title": "Familiar lessons on mineralogy and geology", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL115020A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2019-03-01T06:27:05.519540"}, "covers": [8400886], "revision": 1}