- Hale, E. (Enoch), 1790-18484
- Haley, Leigh Ann, author4
- Hamilton, James, 1749-18354
- Harrati, Amal, author4
- Harris, Elisha, 1824-18844
- Harvard University. Library, compiler.4
- Helmuth, William Tod, 1833-19024
- Henderson, Thomas, 1789-18544
- Herce-Hagiwara, Belén, author4
- Herter, Christian Archibald, 1865-19104
- Hill, B. L. (Benjamin L.)4
- Hippocrates.4
- Holcombe, William H. (William Henry), 1825-18934
- Holt, L. Emmett (Luther Emmett), 1855-19244
- Horsford, Eben Norton, 1818-18934
- Horwitz, Orville, 1860-19124
- Hsiao, Tsai-yu, 1905- author4
- Hufeland, Christoph Wilhelm, 1762-18364
- Hun, Henry, 1854-1924 author4
- Hunt, Ezra Mundy, 1830-18944