{"type": {"key": "/type/work"}, "title": "Battle of Gaines's Mill : Vol 1", "subjects": ["United states, history", "Military art and science"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2942761A"}}], "key": "/works/OL45995248W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-09-17T01:43:32.550900"}, "last_modified": {"type": "/type/datetime", "value": "2026-09-17T01:43:32.550900"}}