| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1925 | A Modern Utopia and Other Discussions | T. Fisher Unwin | Omnibus | ||
| 1925 | A Modern Utopia and Other Discussions | Charles Scribner's Sons | Omnibus | ||
| 1958 | Henry James and H. G. Wells: A Record of Their Friendship, Their Debate on the Art of Fiction, and Their Quarrel | University of Illinois Press | Nonfiction | 131 | |
| 1958 | Henry James and H. G. Wells: A Record of Their Friendship, Their Debate on the Art of Fiction, and Their Quarrel | Rupert Hart-Davis | Nonfiction | 131 |