{"type": {"key": "/type/edition"}, "publish_date": "1969", "publish_country": "nyu", "languages": [{"key": "/languages/eng"}], "title": "Piaget's logic", "by_statement": "Robert H. Ennis", "authors": [{"key": "/authors/OL657861A"}], "oclc_numbers": ["859155394"], "lc_classifications": ["BC72 .E56 1969"], "series": ["Working papers in educational research -- no. 2"], "notes": {"type": "/type/text", "value": "The research reported in this paper and the production of the paper itself was supported by United States Office of Education Grant OEG-0-062172-3652.\n\n\"Version of February 26, 1969\"--t.p.\n\nIncludes bibliographical references (leaf 27)."}, "subjects": ["Logic", "Critical thinking", "Creative thinking", "Reasoning in children"], "publishers": ["Cornell University"], "publish_places": ["New York]"], "pagination": "27 leaves", "number_of_pages": 27, "source_records": ["marc:harvard_bibliographic_metadata/ab.bib.13.20150123.full.mrc:882539598:1012", "marc:harvard_bibliographic_metadata/20220215_032.bib.mrc:335892501:1517"], "full_title": "Piaget's logic", "works": [{"key": "/works/OL40310325W"}], "key": "/books/OL54833226M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2024-09-23T15:25:33.872731"}, "last_modified": {"type": "/type/datetime", "value": "2026-03-14T03:02:57.395590"}}