| Artist | Titles | 1.
| Thomas, Alma, 1891-1978, painter. | 93 | 2.
| Thomas, Alma, 1891-1978, sculptor. | 4 | 3.
| Thomas, Alma Woodsey, 1891-1978, painter. | 0 | 4.
| See: Thomas, Alma, 1891-1978, painter. | 93 | 5.
| Thomas, Alma Woodsey, 1891-1978, sculptor. | 0 | 6.
| See: Thomas, Alma, 1891-1978, sculptor. | 4 | 7.
| Thomas and Kolkman Engineering, engineering firm. | 1 | 8.
| Thomas and Miller, fabricator. | 1 | 9.
| Thomas, Anne Wall, 1928- , painter. | 1 | 10.
| Thomas, Arthur, 1858-1932, painter. | 6 | 11.
| Thomas, Arthur C., 1858-1932, painter. | 0 | 12.
| See: Thomas, Arthur, 1858-1932, painter. | 6 | 13.
| Thomas, Augustus, sculptor. | 2 |
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