{"subtitle": "a handbook for general practitioners", "lc_classifications": ["RG136 .M3"], "id": 8672175, "title": "principles of contraception", "languages": [{"key": "/l/eng"}], "subjects": ["Contraception.", "Birth control."], "publish_country": "xx ", "title_prefix": "The ", "oclc_numbers": ["8322455"], "type": {"key": "/type/edition"}, "by_statement": "by Joan Malleson ...", "revision": 1, "publishers": ["V. Gollancz ltd."], "last_modified": {"type": "/type/datetime", "value": "2008-04-01 03:28:50.625462"}, "key": "/b/OL6342368M", "authors": [{"key": "/a/OL2202864A"}], "publish_places": ["London"], "pagination": "160 p.", "lccn": ["36022659"], "notes": {"type": "/type/text", "value": "Bibliography: p. 157.\n\"The birth control movement, societies and clinics\": p. 143-154."}, "number_of_pages": 160, "publish_date": "1935"}