{"first_publish_date": "1900", "last_modified": {"type": "/type/datetime", "value": "2020-08-13T02:28:21.854689"}, "title": "Grammar school arithmetic", "created": {"type": "/type/datetime", "value": "2009-10-22T15:52:04.907107"}, "covers": [5633622], "lc_classifications": ["QA103 .H81"], "latest_revision": 5, "key": "/works/OL221055W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2460747A"}}], "type": {"key": "/type/work"}, "subjects": ["Early works to 1900", "Arithmetic"], "revision": 5}