{"type": {"key": "/type/edition"}, "publish_date": "1900", "publish_country": "mau", "languages": [{"key": "/languages/eng"}], "title": "The iron industry of the United States", "authors": [{"key": "/authors/OL948606A"}], "oclc_numbers": ["80516808"], "notes": {"type": "/type/text", "value": "Quarterly Journal of Economics, 1900, xiv. 143-170, 475-508."}, "publish_places": ["Boston"], "pagination": "pp. (62).", "number_of_pages": 62, "source_records": ["marc:harvard_bibliographic_metadata/20220215_003.bib.mrc:19499248:895"], "works": [{"key": "/works/OL43302111W"}], "key": "/books/OL58981536M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-05-09T21:56:13.969735"}, "last_modified": {"type": "/type/datetime", "value": "2025-05-09T21:56:13.969735"}}