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Authors
- Nagayo, Sensai, 1838-19021
- National Health Society (Great Britain)1
- Neale, Adam, -18321
- Needham, J. P.1
- Nelson, Robert, 1794-18731
- Nelson, Wolfred, 1791-18631
- New York (N.Y.). Board of Commissioners of Health.1
- New York (N.Y.). Board of Health.4
- New York (State) Legislature. Senate. Committee on Medical Societies and Colleges.1
- New York (State). Legislature. Assembly.1
- New, C. B.1
- Newman, James M.1
- Newton, Orin E.1
- North, Nelson L. (Nelson Luther), 1830-19041
- North-Western Provinces (India)1
- Nourse, William E. C. (William Edward Charles), -19121