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- Morrow, Prince A. (Prince Albert), 1846-1913, author5
- Morse, D. A. (David Appleton), 1840-5
- Morse, John Lovett, 1865-1940, author5
- Morton, William J. (William James), 1846-1920, author5
- Moschzisker, F. A. von (Franz Adolph)5
- MunĚoz, Luis, 1814-18765
- Murphy, J. B. (John Benjamin), 1857-1916, author5
- Musser, John Herr, 1856-19125
- Mussey, R. D. (Reuben Dimond), 1780-18665
- Mutual Life Insurance Company of New York, author.5
- New Jersey. State Board of Health, author.5
- Nichols, Wm. Ripley (William Ripley), 1847-18865
- Noble, George H., author5
- Norbury, Frank Parsons, 1863-1939, author5
- Ordronaux, John, 1830-19085
- Ott, Isaac, 1847-1916, author5
- Page, Richard Channing Moore, 1841-18985
- Pallen, Montrose A. (Montrose Anderson), 1836- author5
- Parish, W. H., author5