{"created": {"type": "/type/datetime", "value": "2009-12-10T04:27:19.099203"}, "title": "Georgii Agricolae Bermannus, sive, De re metallica", "last_modified": {"type": "/type/datetime", "value": "2010-12-03T13:54:47.502696"}, "latest_revision": 2, "key": "/works/OL3777443W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL666775A"}}], "type": {"key": "/type/work"}, "subjects": ["Early works to 1800", "Metallurgy", "Mineral industries", "Paleontology", "Pre-Linnean works", "Zoology"], "revision": 2}