| Author | Titles | | 1.
| Roberts, Helene E. | 4 | | 2.
| Roberts, Henry W. | 2 | | 3.
| Roberts, Ita | 1 | | 4.
| Roberts, James | 3 | | 5.
| Roberts, Jane, 1949- | 3 | | 6.
| Roberts, Jane Annette | 1 | | 7.
| Roberts, Jenifer | 1 | | 8.
| Roberts, Jennifer L. 1969- | 2 | | 9.
| Roberts, John, 1955- | 4 | | 10.
| Roberts, John Charles, 1955- | 0 | | 11.
| Author is: Roberts, John, 1955- | 4 |
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