{"type": {"key": "/type/edition"}, "publish_date": "1958", "publish_country": "nju", "languages": [{"key": "/languages/eng"}], "title": "Making sure of arithmetic", "by_statement": "Robert Lee Morton, Merle Gray", "authors": [{"key": "/authors/OL2170281A"}], "oclc_numbers": ["11190544"], "lc_classifications": ["QA115 .M344"], "dewey_decimal_class": ["513"], "edition_name": "Teacher's ed.", "notes": {"type": "/type/text", "value": "Vols. 3-8 by Robert Lee Morton, et al.\n\nIncludes indexes.\n\nIndiana state adopted textbook for 1st-8th grades, 1960-1965.\n\nElementary schools."}, "contributions": ["Gray, Merle"], "subjects": ["Arithmetic", "Textbooks"], "publishers": ["Silver Burdett"], "publish_places": ["Morristown, N.J"], "pagination": "8 v.", "source_records": ["marc:harvard_bibliographic_metadata/ab.bib.13.20150123.full.mrc:671071133:834", "marc:harvard_bibliographic_metadata/20220215_021.bib.mrc:94449978:2458"], "full_title": "Making sure of arithmetic", "works": [{"key": "/works/OL15550000W"}], "key": "/books/OL53737460M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2024-09-07T14:31:32.282637"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-06T16:50:10.198956"}}