| Artist | Titles | 1.
| Hartwell, Rose, painter. | 43 | 2.
| Hartwich, Herman, 1853-1926, painter. | 21 | 3.
| Hartwick, G., painter. | 1 | 4.
| Hartwick, George Gunther, painter. | 30 | 5.
| Hartwick, George Gunther, painter. (attributed to) | 3 | 6.
| Hartwick, Gunther, painter. | 1 | 7.
| Hartwick, sculptor. (possibly by) | 1 | 8.
| Hartwig, Cleo, 1911-1988, sculptor. | 12 | 9.
| Harue, Teruko, assistant. | 1 | 10.
| Harvey, Agnes, 1873-1958, painter. | 0 | 11.
| See: Stone, Agnes, 1873-1958, painter. | 4 |
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