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Authors
- Needham, J. P.1
- Nelson, Robert, 1794-18731
- New York (N.Y.). Board of Health.1
- New York (State) Legislature. Senate. Committee on Medical Societies and Colleges.1
- New York (State). Legislature. Assembly.1
- Newton, Orin E.1
- North, Nelson L. (Nelson Luther), 1830-19041
- Nourse, William E. C. (William Edward Charles), -19121