Names
- Harris, Thomas L. (Thomas Le Grand), 1863-1941.1
- Harrison, Francis Burton, 1873-1957.1
- Hart, Albert Bushnell, 1854-1943.1
- Hart, Michael James, 1877-1951.1
- Hart.Albert Bushnell, 1854-1943.1
- Harvey S. Day1
- Hawes, Harry B.1
- Hinsdale, B. A. (Burke Aaron), 1837-1900.1
- Hinsdale, Mary L.1
- Hinsdale, Mildred, 1871-1971.1
- Hobbs, William Herbert, 1864-1952.1
- Holstein-Friesian Association of America.1
- Hough, Emerson, 1857-1923.1
- House, Edward Mandell, 1858-1938.1
- Hubbard, Lucius L. (Lucius Lee), 1849-1933.1
- Hudson, Richard, 1845-1915.1
- Humphrey, George M. (George Magoffin), 1890-1
- Humphrey, Watts S.1
- Hunsaker, Walter Jerome, 1857-1939.1
- Hutchins, Harry B. (Harry Burns), 1847-1930.1