| Artist | Titles | 1.
| Spencer, Lilly Martin, 1822-1902, painter. | 418 | 2.
| Spencer, Lilly Martin, 1822-1902, painter. (possibly by) | 1 | 3.
| Spencer, Lily Martin, 1822-1902, painter. | 0 | 4.
| See: Spencer, Lilly Martin, 1822-1902, painter. | 418 | 5.
| Spencer, Lyman Potter, b. 1840, painter. | 1 | 6.
| Spencer, Margaret, b. 1882, painter. | 0 | 7.
| See: Spencer, Margaret Fulton, b. 1882, painter. | 5 | 8.
| Spencer, Margaret Fulton, b. 1882, painter. | 5 | 9.
| Spencer, Mark, painter. | 1 | 10.
| Spencer, Martha, ca. 1832-1888, painter. | 0 | 11.
| See: Wilson, Martha Spencer, ca. 1832-1888, painter. | 8 | 12.
| Spencer, Martha Lindsley, painter. | 1 | 13.
| Spencer, Mary, 1835-1923, painter. | 14 |
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