{"subject_places": ["South Africa"], "subjects": ["Blacks", "Cost and standard of living", "Statistics", "Black people"], "key": "/works/OL5640541W", "title": "Changes in the income and expenditure patterns of multiple urban non-white households, 1970 and 1975", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1365169A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T10:53:30.353558"}, "last_modified": {"type": "/type/datetime", "value": "2025-10-25T21:14:19.837861"}}