| Artist | Titles | 1.
| Thresher, George, active 1806-1817, painter. (attributed to) | 7 | 2.
| Thresher, George, active 1806-1817, painter. (possibly by) | 1 | 3.
| Throckmorton, Cleon Francis, 1897-1965, painter. | 1 | 4.
| Throckmorton, Lulie E., painter. | 1 | 5.
| Throne, William, painter. | 2 | 6.
| Throop Construction, contractor. | 1 | 7.
| Throop, Frances Hunt, 1860-1933, painter. | 1 | 8.
| Throp, Jack, sculptor. | 1 | 9.
| Thrupp, Frederick, sculptor. | 1 | 10.
| Thuesen, Karen, 1944- , sculptor. | 0 | 11.
| See: Massaro, Karen Thuesen, 1944- , sculptor. | 4 |
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