{"lc_classifications": ["HC244.Z9 I534a OP-28", "HC407.B9 I534a OP-28"], "key": "/works/OL1402870W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:20:57.333510"}, "title": "Bulgaria: index of government services, trade, banking and insurance, and communal services, 1939 and 1948-1965", "id": 36581294, "subject_places": ["Bulgaria"], "first_publish_date": "1968", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-30T09:08:56.576604"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL144493A"}}], "dewey_number": ["339.2/0943 s", "339.34977"], "type": {"key": "/type/work"}, "subjects": ["Economic indicators"], "revision": 2}