- Martin, H. Newell (Henry Newell), 1848-18961
- Martin, Henry A. (Henry Austin), 1824-18842
- Martin, Henry A. (Henry Austin), 1824-1884, author7
- Martindale, Joseph C. (Joseph Comly), 1833-1872, author1
- Martinez Ancira, JoseĢ, author1
- Martinez Zurita, Trinidad, author1
- Martinez del Rio, Pablo, 1805-1882 author1
- Martinez del Rio, Pablo, 1805-1882, author4
- Martinez y Baca, Bernardo, author1
- Martinez y Baca, Francisco, author1
- Martinez, Rodrigo, active 1878, author1
- Martins, Augusto G.1
- Martins, Ildefonso Theodoro.1
- Marvin, Frederic Rowland, 1847-1918 author1
- Marvin, Frederic Rowland, 1847-1918, author1
- Marvin, Joseph Benson, 1852-1913, author1
- Maryland College of Pharmacy, author.1
- Maryland. State Board of Health, author.1
- Masius, J. B. V. (Jean Baptiste Voltaire), 1836-1912, author1
- Masoin, E. (Ernest), 1844-1915, author1