{"title": "Population changes in Michigan, 1950-60.", "authors": [{"key": "/authors/OL4526013A"}], "publish_date": "1960", "publishers": ["Michigan State University"], "pagination": "31 p.", "languages": [{"key": "/languages/eng"}], "publish_country": "miu", "publish_places": ["East Lansing"], "type": {"key": "/type/edition"}, "subjects": ["Michigan -- Population."], "source_records": ["marc:marc_oregon_summit_records/catalog_files/osu_bibs.mrc:223290076:655"], "key": "/books/OL14201543M", "number_of_pages": 31, "works": [{"key": "/works/OL10861479W"}], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-09-11T12:17:53.109301"}, "last_modified": {"type": "/type/datetime", "value": "2026-03-01T20:20:29.953747"}}