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Authors
- N. D. Whitney & Co. author.1
- N. Orr & Co. engraver.2
- Nagayo, Sensai, 1838-19021
- Nagle, John T. (John Thomas), 1842-1919 author1
- Nahl, Hugo Wilhelm Arthur, 1833-18891
- Nancrede, Charles B. (Charles Beylard), 1847-19214
- Nancrede, Charles B. (Charles Beylard), 1847-1921 author5
- Nancrede, Charles B. (Charles Beylard), 1847-1921, author1
- Nanteuil, Ch.1
- Napheys, George H. (George Henry), 1842-187613
- Narro, Manuel.1
- Nash Dr. (James Addison)1
- Nassau Water Company, author.1
- Nasse, Otto, 1839-1903 author1
- National Academy of Sciences (U.S.)1
- National Academy of Sciences (U.S.) author.2
- National Aid Society.1
- National Board of Health (U.S.) author.2
- National College of Pharmacy (Washington, D.C.) author.1
- National College of Pharmacy (Washington, D.C.). Committee of National College of Pharmacy on the U.S. Pharmacopoeia.1