{"type": {"key": "/type/work"}, "title": "[Collection of treatises including Ars componendi sermones ; De questione sive planctu naturae ; Ars dictandi ; Liber chiromanticus (fragment) ; musical treatise]", "subjects": ["Music", "Manuscripts", "Music theory", "History"], "subject_places": ["England", "London"], "subject_times": ["15th century"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL80356A"}}], "key": "/works/OL42215480W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2024-12-16T08:10:53.439353"}, "last_modified": {"type": "/type/datetime", "value": "2024-12-16T08:10:53.439353"}}