Includes authors with at least 6 novels, short fiction, poems or collections:
| Debut Year | Author | Number of Titles |
|---|---|---|
| 1931 | Robert Arthur | 61 |
| 1931 | Arthur K. Barnes | 34 |
| 1931 | Garth Bentley | 6 |
| 1931 | Arthur William Bernal | 10 |
| 1931 | Harold Brighouse | 8 |
| 1931 | Loretta Burrough | 7 |
| 1931 | Carl H. Claudy | 7 |
| 1931 | James Corbett | 9 |
| 1931 | Mary Gould Davis | 12 |
| 1931 | Erich Dolezal | 12 |
| 1931 | O. Muiriel Fuller | 11 |
| 1931 | Abner J. Gelula | 7 |
| 1931 | Julia Boynton Green | 9 |
| 1931 | J. W. Groves | 14 |
| 1931 | Benson Herbert | 13 |
| 1931 | A. Rowley Hilliard | 8 |
| 1931 | Erich Kästner?Erich Kaestner |
10 |
| 1931 | Frank K. Kelly | 11 |
| 1931 | Henry Kuttner | 312 |
| 1931 | Gordon MacCreagh | 7 |
| 1931 | A. R. McKenzie | 10 |
| 1931 | Warren Hastings Miller | 9 |
| 1931 | J. Leslie Mitchell | 26 |
| 1931 | Bernard Newman | 7 |
| 1931 | Maurice Richardson | 6 |
| 1931 | Clifford D. Simak | 228 |
| 1931 | Joe W. Skidmore | 16 |
| 1931 | Lady Eleanor Smith | 15 |
| 1931 | Francis Stuart | 8 |
| 1931 | various | 26 |
| 1931 | J. M. Walsh | 11 |
| 1931 | T. H. White | 42 |
| 1931 | John Wyndham | 116 |
| 1931 | Frank Kenneth Young | 11 |