| 100% | ANON | 4 | Author unknown, for short |
| 93% | ANON | 4 | "Fairy tale author unknown," for short |
| 87% | ANON | 4 | Unknown author, for short |
| 79% | ANON | 4 | ''Author unknown,'' for short |
| 67% | ANON | 4 | Writer unknown, for short |
| 67% | ANON | 4 | User unknown, for short |
| 66% | ANON | 4 | "Author's name unknown," for short |
| 65% | ANON | 4 | Short for unknown writer |
| 64% | ANON | 4 | Unrevealed author, for short |
| 64% | ANON | 4 | Unnamed author, for short |
| 64% | ANON | 4 | Unidentified author, for short |
| 63% | ANON | 4 | Unknown source, for short |
| 63% | ANON | 4 | Unknown composer, for short |
| 63% | ANON | 4 | Unknown person, for short |
| 63% | ANON | 4 | Unknown writer, for short |
| 63% | ANON | 4 | "Author's identity is unknown," for short |
| 62% | TBA | 3 | As yet unknown, for short |
| 62% | POE | 3 | Author known for macabre short stories |
| 61% | ANON | 4 | Abbr. for an unknown author |
| 57% | ANON | 4 | Someone whose identity is unknown, for short |
| 57% | ANON | 4 | One whose identity is unknown, for short |
| 57% | ANON | 4 | Unknown quote source, for short |
| 57% | ANON | 4 | "Primary Colors" author, for short |
| 56% | SHAK | 4 | "Romeo & Juliet" author, for short |
| 55% | ANON | 4 | Of unknown authorship, for short |
| 55% | BIO | 3 | Blurb about an author, for short |
| 55% | EAPOE | 5 | "Hop-Frog" author, for short |
| 53% | BIO | 3 | "About the author" info, for short |
| 53% | BIO | 3 | "About the Author" section, for short |
| 53% | BIOS | 4 | "About the author" sections, for short |