{"publishers": ["Bell and Daldy; [etc., etc.]"], "subtitle": "A new art.", "lc_classifications": ["QA141 .B85"], "latest_revision": 3, "key": "/books/OL6579157M", "authors": [{"key": "/authors/OL355922A"}], "publish_places": ["London"], "edition_name": "New issue. With a complete analysis.", "pagination": "vi p., 1 l., 244 (i.e. 246 p.)", "source_records": ["marc:marc_loc_2016/BooksAll.2016.part02.utf8:128467196:589"], "title": "Dual arithmetic.", "lccn": ["15017489"], "number_of_pages": 246, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "languages": [{"key": "/languages/eng"}], "subjects": ["Numeration.", "Arithmetic -- Early works to 1900."], "publish_date": "1864", "publish_country": "enk", "last_modified": {"type": "/type/datetime", "value": "2020-09-12T16:13:15.430824"}, "by_statement": "By Oliver Byrne ...", "works": [{"key": "/works/OL2523368W"}], "type": {"key": "/type/edition"}, "revision": 3}