{"type": {"key": "/type/work"}, "title": "A letter to the Right Hon. William Pitt, chancellor of the exchequer, on the claims which practitioners in medicine have to be exempted from the new duties on horses & carriages", "subjects": ["Physicians", "Taxation", "Horse owners", "Carriages and carts"], "subject_places": ["Great Britain"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16543371A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL518035A"}}], "key": "/works/OL45846895W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-08-01T04:04:56.198778"}, "last_modified": {"type": "/type/datetime", "value": "2026-08-01T04:04:56.198778"}}