- May, Charles Henry, 1861-1943, author1
- Medical Society of the State of New York (1807- )1
- Meech, Levi W. (Levi Witter), author1
- Miller, Bloomfield J., author1
- Mutual Benefit Life Insurance Company, author.1
- New Orleans (La.). Board of Health1
- New York (N.Y.). Bureau of Vital Statistics, author.1
- Newman, Robert, 1830-1903 author1
- Nichols, Wm. Ripley (William Ripley), 1847-18861
- Peckham, Geo. W., author1
- Ponza, G. L. (Giuseppe Lodovico), 1822-1879?, author1
- Price, Joseph, 1853-1911, author1
- Providence (R.I.). City Registrar.1
- Randall, Burton Alexander, 1858-1932, author1
- Simonds, J. C., author1
- Slayton, William T., author1
- Smith, Erwin F. (Erwin Frink), 1854-19271
- Smith, Stephen, 1823-19221
- Soriano, Manuel S.2
- Stahl, A. (Agustín), 1842-1917, author1