- Harrold, John.1
- Hegarty, T. J. (Thomas Joseph), 1869?-19311
- Hemans, Felicia (author)1
- Hippocrates1
- Hoby, Thomas, Sir, 1530-15661
- Hollis, Thomas, 1720-17741
- Hondius, Jodocus, 1563-16121
- Horne, Catherine Wilson (Interviewers) (Editors)1
- Hoyt, James A., Col.1
- Humboldt, Alexander, von, 1769-18591
- Humphreys, W. (engraver)1
- Hux, Roger1
- Interior Decoration Committee)1
- James Henry Hammond1
- Jas. Johnson, Printer and Lithographer 1
- Jean de la Fontaine1
- Jean, de Meun, approximately 1240-approximately 13051
- John Laurens1
- John Marchmont: pseudonym of Celina E. Means (1840-1909)1
- Johnson, John, 1829-1907.1