{"type": {"key": "/type/work"}, "title": "Rocks and minerals", "subjects": ["Rocks", "Study and teaching (Elementary)", "Mineralogy", "Geology", "Gifted children", "Education", "Science", "Study and teaching"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2929553A"}}], "covers": [11877480], "key": "/works/OL24954169W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2021-09-01T05:59:15.899340"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-01T05:59:15.899340"}}