Creator
- National Committee on Atomic Information1
- National Research Council (U.S.). Division of Engineering and Industrial Research1
- Neuburger, Albert, 1867-19431
- New England Lithographic Co.1
- Newlands, James Andrew, 1877-1
- Nonotuck Silk Company1
- Nutshell series1
- Nutter, William H.1
- O'Connell, W. J., Jr.1
- O'Connor, D.1
- O'Reilly, Declan1
- Oak Ridge National Laboratory1
- Oliver, Charles E. (Charles Edwin), 1861-1
- Oliver, Roland L.1
- Orange Judd & Company1
- Organización Editorial Novaro1
- Organización Editorial Novaro1
- Painting & Decorating Contractors of America1
- Paleologue, Jean de, 1855-1
- Pasteur, Louis, 1822-18951