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- National Library of Medicine (U.S.). Index Section.8
- Neligan, J. Moore (John Moore), 1815-18638
- New York (State), enacting jurisdiction.8
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- Nichols, Wm. Ripley (William Ripley), 1847-1886, author8
- Noel-Miller, Claire, author8
- O'Brien, Claire, (Of Urban Institute), author8
- Orgera, Kendal, author8
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- Paxton, James, 1786-18608
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- Peterson, Reuben, 1862-1942, author8
- Pliny, the Elder8
- Ponce, Ninez A., author8