{"first_publish_date": "1997", "title": "A arte de ser bom cavaleiro", "subject_places": ["Portugal"], "lc_classifications": ["DP594 .D53 1997x"], "subject_people": ["Duarte King of Portugal (1391-1438)"], "key": "/works/OL12844656W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL5792281A"}}], "subject_times": ["To 1500"], "type": {"key": "/type/work"}, "subjects": ["Chivalry in literature", "Civilization, Medieval", "Criticism and interpretation", "History and criticism", "Medieval Civilization", "Medieval Philosophy", "Philosophy, Medieval", "Portuguese literature", "Conduct of life", "Early works to 1800", "Horsemanship"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-11T07:56:26.430717"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-15T09:43:44.181115"}}