{"title": "The causes of progress", "subjects": ["Family", "Literacy", "Progress", "Kulturwandel", "Families", "Alphab\u00e9tisation", "Cultuurverandering", "Gezin", "Antropologische aspecten", "Progr\u00e8s", "Famille", "Social change", "Social evolution"], "key": "/works/OL851050W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL73656A"}}], "type": {"key": "/type/work"}, "covers": [11001832], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-09T05:38:06.200422"}, "last_modified": {"type": "/type/datetime", "value": "2022-10-18T08:56:04.303493"}}