{"type": {"key": "/type/edition"}, "publish_date": "[n.d.]", "publish_country": "enk", "languages": [{"key": "/languages/eng"}], "title": "Principles of midwifery, or puerperal medicine", "authors": [{"key": "/authors/OL1284500A"}, {"key": "/authors/OL16528827A"}], "oclc_numbers": ["4745225"], "lc_classifications": ["RG93 .A5 1786"], "edition_name": "The third edition, enlarged and illustrated with engravings for the use of students.", "notes": {"type": "/type/text", "value": "Blake, J. NLM 18th cent., p. 7"}, "subjects": ["Obstetrics", "Early works to 1800"], "publish_places": ["Lond"], "pagination": "14, 210, [54] p.", "number_of_pages": 210, "source_records": ["marc:harvard_bibliographic_metadata/20220215_044.bib.mrc:199174768:1345"], "full_title": "Principles of midwifery, or puerperal medicine", "works": [{"key": "/works/OL45852758W"}], "key": "/books/OL62397331M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-08-03T02:07:14.980069"}, "last_modified": {"type": "/type/datetime", "value": "2026-08-03T02:07:14.980069"}}