{"covers": [5575092], "first_publish_date": "1906", "latest_revision": 5, "key": "/works/OL243719W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2548074A"}}], "subjects": ["Lubrication [and] lubricants", "Oils and fats", "Friction"], "created": {"type": "/type/datetime", "value": "2009-10-23T14:55:29.917286"}, "title": "A practical treatise on friction, lubrication, fats and oils", "last_modified": {"type": "/type/datetime", "value": "2020-08-13T12:11:04.436858"}, "type": {"key": "/type/work"}, "revision": 5}