{"subject_places": ["United States"], "subjects": ["Bibliography", "Catalogs", "Catalogs, Booksellers'", "Illustrated books", "Incunabula", "Rare books", "Booksellers' catalogs"], "key": "/works/OL819852W", "title": "175 printed books", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL69233A"}}], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-09T04:52:43.768073"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-27T07:05:42.596862"}}