{"type": {"key": "/type/work"}, "title": "Historic Philadelphia", "subjects": ["Historic buildings", "Guidebooks", "Church buildings", "Description and travel"], "subject_places": ["Pennsylvania", "Philadelphia", "Philadelphia (Pa.)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL10430790A"}}], "key": "/works/OL43931010W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-08-22T23:43:18.364126"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-22T23:43:18.364126"}}