{"subtitle": "The study of a recurring necessity; with special reference to industrial melanism in the Lepidoptera.", "lc_classifications": ["QL767 .K47"], "latest_revision": 3, "id": 7555690, "source_records": ["marc:marc_records_scriblio_net/part07.dat:149772310:782", "marc:marc_upei/marc-for-openlibrary-bigset.mrc:18306339:791"], "title": "evolution of melanism.", "languages": [{"key": "/l/eng"}], "subjects": ["Melanism", "Industrial melanism", "Lepidoptera", "Color of insects"], "publish_country": "enk", "title_prefix": "The ", "type": {"key": "/type/edition"}, "revision": 3, "publishers": ["Clarendon Press"], "last_modified": {"type": "/type/datetime", "value": "2009-10-20T06:18:24.930502"}, "key": "/b/OL5473324M", "authors": [{"key": "/a/OL2082272A"}], "publish_places": ["Oxford"], "pagination": "xxiv, 423 p.", "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "dewey_decimal_class": ["595.7/8/041858"], "notes": {"type": "/type/text", "value": "Bibliography: p. [378]-408."}, "number_of_pages": 423, "lccn": ["73176550"], "isbn_10": ["0198573707"], "publish_date": "1973", "works": [{"key": "/works/OL160029W"}]}