{"type": {"key": "/type/edition"}, "publish_date": "1919", "publish_country": "dcu", "languages": [{"key": "/languages/eng"}], "title": "Efficient training in a large plant ...", "authors": [{"key": "/authors/OL6901261A"}], "oclc_numbers": ["27878818"], "series": ["Training bulletin -- no. 11", "Training bulletin (Washington, D.C. : 1918) -- no. 11"], "notes": {"type": "/type/text", "value": "At head of title: U.S. Department of Labor. United States Training Service, C.T. Clayton, director ..."}, "subject_places": ["United States"], "subjects": ["Technical education"], "publishers": ["Govt. Print. Off."], "publish_places": ["Washington"], "pagination": "13 p.", "number_of_pages": 13, "source_records": ["marc:harvard_bibliographic_metadata/20220215_033.bib.mrc:67491043:1102"], "works": [{"key": "/works/OL45018187W"}], "key": "/books/OL61414982M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-03-19T23:50:14.206655"}, "last_modified": {"type": "/type/datetime", "value": "2026-03-19T23:50:14.206655"}}