{"created": {"type": "/type/datetime", "value": "2012-05-02T20:30:50.176669"}, "subjects": ["Catalogs. [from old catalog]", "Machine-tools", "Machinery"], "latest_revision": 2, "key": "/works/OL16620956W", "title": "Illustrated catalogue and general description of improved machine tools for working metal", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL7120222A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-05-10T18:45:40.020364"}, "covers": [7117300], "revision": 2}