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Authors
- Nanni, Giovanni, 1888-1969 artist1
- Narragansett Machine Company.1
- Nascher, I. L. (Ignatz Leo), 1863-19441
- National Association of Chiropodists (U.S.) author.1
- National Association of Ice Cream Manufacturers (U.S.)1
- National Cancer Institute (U.S.) author.1
- National Child Labor Committee (U.S.) author, issuing body.2
- National Child Labor Committee (U.S.) author.1
- National Committee for Mental Hygiene, author.1
- National Health Council (U.S.) author.1
- National Industrial Conference Board, author, issuing body.1
- National Institute of Health (U.S.), author.1
- National Institute of Health (U.S.). Division of Public Health Methods, author.1
- National League of Nursing Education (U.S.). Committee on Education, author.2
- National Military Establishment (U.S.), author, issuing body.1
- National Military Establishment (U.S.). Committee on Medical and Hospital Services of the Armed Forces, author.2
- National Organization for Public Health Nursing (U.S.). Committee to Study Visiting Nursing, author.1
- National Pharmaceutical Syllabus Committee.1
- National Remedy Company, author.1
- National Research Council (U.S.). Committee for Survey of Research on Rheumatic Diseases, author.1