{"lc_classifications": ["DK188.6.N25 A32"], "title": "Under three tsars", "subject_places": ["Soviet Union"], "first_publish_date": "1931", "key": "/works/OL219952W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2455423A"}}], "subject_people": ["House of Romanov"], "dewey_number": ["920.7"], "type": {"key": "/type/work"}, "subjects": ["Court and courtiers", "Biography", "History"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-10-22T14:49:22.853965"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-19T19:06:37.090678"}}