- Hampden District Medical Society.1
- Hare, Robert, 1781-18581
- Harris, Chapin A. (Chapin Aaron), 1806-18604
- Harris, Elisha, 1824-18843
- Harris, Thaddeus William, 1795-18561
- Harsha, David A.1
- Hartmann, Franz, 1796-18531
- Hartshorne, Henry, 1823-18973
- Harvard Medical School.1
- Harvard University. Board of Overseers. Committee Appointed to Visit and Examine the Library, the Philosophical Apparatus, the Medical, Chemical, and Anatomical Departments of Harvard University, author.1
- Harvey, William H. (William Henry), 1811-1866, author1
- Haskell, Benjamin, 1810-18781
- Haskins, E. B.3
- Haskins, E. B., author1
- Hassall, Arthur Hill, 1817-18943
- Hassall, Richard, 1811-18751
- Hastings, John, 1805-18751
- Hathaway, Charles, 1817-1903, author1
- Hathaway, John E. (John Eaton), 1827-1862, defendant1
- Haven, Joseph, 1816-18741