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- Murray, J. (John), -18208
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- Neligan, J. Moore (John Moore), 1815-18638
- New York (State), enacting jurisdiction.8
- New York (State). Department of Health, author.8
- Nichols, Wm. Ripley (William Ripley), 1847-1886, author8
- Noel-Miller, Claire, author8
- O'Brien, Claire, (Of Urban Institute), author8
- Orgera, Kendal, author8
- Palmer, Alonzo Benjamin, 1815-18878
- Parvin, Theophilus, 1829-18988