| Auth name | Display name | Birth year | Death year | Gender | Contribution Count |
|---|---|---|---|---|---|
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Bessie Rayner Parkes | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | Unsigned | — | — | Unknown | 1 |
| — | John Bennett | — | — | Unknown | 2 |
| — | F. W. | — | — | Unknown | 1 |
| — | J. E. B. | — | — | Unknown | 1 |
| — | M. A. B. | — | — | Unknown | 3 |
| — | Thos. A. Brew | — | — | Unknown | 1 |
| Alicia Moore | The Author of "Historical Pictures of the Middle Ages in Black and White" | — | — | Unknown | 1 |
| — | E. L. L. | — | — | Unknown | 1 |
| — | J. S. | — | — | Unknown | 3 |
| — | Nobody in Particular | — | — | Unknown | 2 |
| — | A Londoner | — | — | Unknown | 1 |
| — | Caroline H. Dall | — | — | Unknown | 2 |
| — | L. Underdown | — | — | Unknown | 2 |
| — | E. H. | — | — | Unknown | 2 |
| — | A Londoner | — | — | Unknown | 1 |