{"subject_places": ["Czechoslovakia"], "subjects": ["Labor and laboring classes", "Working class", "Labor"], "key": "/works/OL5115486W", "title": "Z prvni\u0301ch dob c\u030ceske\u0301ho de\u0306lnicke\u0301ho hnuti\u0301", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1127229A"}}], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T08:41:49.502842"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-15T03:57:52.466363"}}