{"first_publish_date": "1972", "key": "/works/OL2209956W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2139510A"}}], "subjects": ["Economic development", "Subject headings", "Economic conditions", "Abstracting and indexing"], "title": "Macrothesaurus", "dewey_number": ["025.3/333"], "type": {"key": "/type/work"}, "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-09T23:09:18.646052"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-10T13:32:55.967458"}}