{"type": {"key": "/type/work"}, "title": "A letter addressed to the Hon. Harrison Gray Otis, mayor of Boston", "subjects": ["Prisons", "Correctional institutions", "Boston. House of Correction", "Boston. Common Jail"], "subject_places": ["Massachusetts", "Boston (Mass.)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL268562A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16490711A"}}], "key": "/works/OL45697369W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-01T05:52:59.643090"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-01T05:52:59.643090"}}