{"title": "Principles of psychology", "subjects": ["Psychology", "PHILOSOPHY. PSYCHOLOGY", "Philosophy of mind"], "key": "/works/OL6917643W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1915535A"}}, {"author": {"key": "/authors/OL725432A"}, "type": {"key": "/type/author_role"}}], "type": {"key": "/type/work"}, "covers": [12734188, 11067406], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T20:01:01.309638"}, "last_modified": {"type": "/type/datetime", "value": "2025-10-18T09:27:03.111687"}}