{"created": {"type": "/type/datetime", "value": "2018-03-23T05:32:19.662270"}, "subjects": ["Pharmaceutical chemistry", "Materia medica"], "latest_revision": 1, "key": "/works/OL17852208W", "title": "System der Materia medica nach chemischen Principien", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4854885A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2018-03-23T05:32:19.662270"}, "covers": [8152354], "revision": 1}