{"title": "150 an\u0303os de fotografi\u0301a en la Biblioteca Nacional", "subjects": ["Biblioteca Nacional (Spain)", "Catalogs", "Photograph collections", "Exhibitions", "Photography"], "key": "/works/OL875598W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL76709A"}}], "type": {"key": "/type/work"}, "covers": [11271087], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T06:21:13.336125"}, "last_modified": {"type": "/type/datetime", "value": "2025-03-21T07:10:06.350560"}}