Includes authors with at least 6 novels, short fiction, poems or collections:
| Debut Year | Author | Number of Titles |
|---|---|---|
| 1900 | Josephine Daskam Bacon | 14 |
| 1900 | Virginia Frazer Boyle | 11 |
| 1900 | Ernest Bramah | 94 |
| 1900 | Louis Couperus | 6 |
| 1900 | Walter B. Crane | 14 |
| 1900 | Cassius Crisp | 6 |
| 1900 | Hermann Hesse | 44 |
| 1900 | E. E. Kellett | 14 |
| 1900 | Don Mark Lemon | 17 |
| 1900 | Mrs. Baillie Reynolds | 18 |
| 1900 | Edward L. Stratemeyer | 11 |
| 1900 | Jane de La Vaudère?Jane de La Vaudere |
8 |