{"lc_classifications": ["Z6676 Z9 S6"], "key": "/works/OL2371412W", "created": {"type": "/type/datetime", "value": "2009-12-09T23:32:36.220759"}, "title": "Catalogue of the extensive collection of medical & scientific books, with some bibliography, reference books & general works, the joint property of the late Dr. Charles Singer ... and of his wife ... also a few medical and scientific books from other sources ... which will be sold by auction ... 27th February, 1961, and the two following days", "id": 37548789, "subject_places": ["Great Britain"], "first_publish_date": "1961", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-02-04T17:16:45.190615"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL322845A"}}], "type": {"key": "/type/work"}, "subjects": ["Bibliography", "Catalogs", "Medicine", "Catalogs, Booksellers'", "Science"], "revision": 2}