Includes authors with at least 6 novels, short fiction, poems or collections:
| Debut Year | Author | Number of Titles |
|---|---|---|
| 1920 | Paul L. Anderson | 8 |
| 1920 | Anthony Armstrong (1897-1976) | 28 |
| 1920 | Carolyn Sherwin Bailey | 35 |
| 1920 | William Bowen | 19 |
| 1920 | Loretta Ellen Brady | 12 |
| 1920 | Vasile Demetrius | 13 |
| 1920 | Harrison Griswold Dwight | 15 |
| 1920 | Charles J. Finger | 38 |
| 1920 | L. Patrick Greene | 6 |
| 1920 | S. B. H. Hurst | 12 |
| 1920 | Uel Key | 9 |
| 1920 | Bessie Kyffin-Taylor | 8 |
| 1920 | Pär Lagerkvist | 25 |
| 1920 | William Trowbridge Larned | 11 |
| 1920 | David Lindsay | 12 |
| 1920 | Hugh Lofting | 34 |
| 1920 | Frank Belknap Long | 299 |
| 1920 | John Metcalfe | 39 |
| 1920 | Edna St. Vincent Millay | 14 |
| 1920 | Sapper | 7 |
| 1920 | Ella Scrymsour | 10 |
| 1920 | Nicolas Ségur | 6 |
| 1920 | Osbert Sitwell | 12 |
| 1920 | Marjorie Strachey | 12 |
| 1920 | T. S. Stribling | 7 |
| 1920 | I. C. Vissarion | 11 |
| 1920 | F. A. M. Webster | 25 |
| 1920 | Manly Wade Wellman | 290 |
| 1920 | Virginia Woolf | 11 |
| 1920 | Elinor Wylie | 6 |