{"type": {"key": "/type/work"}, "title": "Let's Do Addition and Subtraction 10-11", "subjects": ["Arithmetic", "Arithmetic, juvenile literature"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2780957A"}}], "key": "/works/OL36037405W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2023-07-17T07:49:02.556670"}, "last_modified": {"type": "/type/datetime", "value": "2023-07-17T07:49:02.556670"}}