| Artist | Titles | 1.
| O'Keeffe, Georgia, 1887-1986, painter. | 1262 | 2.
| O'Keeffe, Georgia, 1887-1986, painter. (copy after) | 1 | 3.
| O'Keeffe, Georgia, 1887-1986, sculptor. | 44 | 4.
| O'Keeffe, Georgia Totto, 1887-1986, painter. | 0 | 5.
| See: O'Keeffe, Georgia, 1887-1986, painter. | 1262 | 6.
| O'Kelley, Mattie Lou, 1908-1997, painter. | 1 | 7.
| O'Kelley, S. J., sculptor. | 7 | 8.
| O'Kelley, Stephen J., sculptor. | 0 | 9.
| See: O'Kelley, S. J., sculptor. | 7 | 10.
| O'Kelly, Aloysius, b. 1853, painter. | 6 | 11.
| O'Kelly, S. J., sculptor. | 0 | 12.
| See: O'Kelley, S. J., sculptor. | 7 | 13.
| Okie, Elizabeth Vaughan, 1877-1971, painter. | 0 | 14.
| See: Paxton, Elizabeth Vaughan Okie, 1877-1971, painter. | 2 |
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