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Authors
- National Association of Chiropodists (U.S.), author.1
- National Child Labor Committee (U.S.) author.1
- National Health Council (U.S.), author.1
- National Industrial Conference Board, author, issuing body.1
- National Safety Council. Committee on Spray Coating.1
- Neuhof, Harold, 1884- author1
- Neuhof, Selian, 1871- author1
- New York (N.Y.). Department of Health.1
- New York (State). Department of Health, author.1
- New York Academy of Medicine. Public Health Committee author.1
- Newmayer, Solomon Weir, 1877- author1
- Nichols, George E. (George Elwood), 1882-1939 author1
- Noguchi, Hideyo, 1876-1928, author1
- Norris, James F. (James Flack), 1871-1940, author1
- Noyes, Edmund, 1842-1927 author1