{"created": {"type": "/type/datetime", "value": "2018-12-17T01:44:10.217585"}, "subjects": ["graver"], "latest_revision": 1, "key": "/works/OL18032008W", "title": "Art of Engraving: A Practical Treatise on the Engraver's Art, with Special Reference to Letter ...", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5631454A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2018-12-17T01:44:10.217585"}, "covers": [6212322], "revision": 1}