| Artist | Titles | 1.
| Closson, William Baxter, 1848-1926, painter. | 52 | 2.
| Closson, William Baxter Palmer, 1848-1926, painter. | 0 | 3.
| See: Closson, William Baxter, 1848-1926, painter. | 52 | 4.
| Clothier, Fannie Hogshead, painter. | 1 | 5.
| Cloudman, John Greenleaf, 1813-1892, painter. | 8 | 6.
| Cloudman, John J., painter. | 3 | 7.
| Cloudman, John J., painter. (attributed to) | 1 | 8.
| Cloudman, Warren, ca. 1823-1852, painter. | 1 | 9.
| Clough, George Lafayette, 1825-1901, painter. | 63 | 10.
| Clough & Molloy, contractor. | 1 | 11.
| Clough, Peter D., landscape architect. | 1 |
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