| Author w/o a name? | 18 |
| Author credited on many poems | 29 |
| Author credited on many old poems | 33 |
| Auth. of many quotes? | 21 |
| "We don't know who said it" abbr. | 47 |
| "___, good nurse!": Juliet | 36 |
| Untraceable, for short | 22 |
| Unsigned, as an article: Abbr. | 30 |
| Unknown author's byline | 27 |
| Uncredited: Abbr. | 17 |
| Unattributed, in Bartlett's | 31 |
| Soon, to Spenser | 16 |
| Soon, to poets | 14 |
| Soon, in the past | 17 |
| Soon, in a sonnet | 17 |
| Soon after | 10 |
| Some authors, briefly | 21 |
| Shortly, to Shelley | 19 |
| Shortly, to Hamlet | 18 |
| Shortly, to a bard | 18 |
| Shortly, poetically | 19 |
| Shortly, in verse | 17 |
| Short mystery writer? | 21 |
| Quote book abbr. | 16 |
| Quotation book abbr. | 20 |
| Prolific unknown author? | 24 |
| Prolific poet? | 14 |
| Prolific author? | 16 |
| Popular writer? | 15 |
| Partner for ever | 16 |
| Oft-quoted author? | 18 |
| Oft-quoted author: Abbr. | 24 |
| Oft-quoted "author" (Abbr.) | 37 |
| Not long from now | 17 |
| Not just yet | 12 |
| Not forthwith | 13 |
| Nameless, briefly | 17 |
| Nameless auth. | 14 |
| Mysterious author | 17 |
| Many a lit. author | 18 |
| Like some quotations: abbr. | 27 |
| Like some blog comments: Abbr. | 30 |
| Like most bathroom graffiti: Abbr. | 34 |
| Juliet's reply to her nurse | 31 |
| In good time | 12 |
| In due time, poetically | 23 |
| In a sec | 8 |
| In a bit, to Shakespeare | 24 |
| In a bit, in a poem | 19 |
| Forgettable author, for short | 29 |
| Ever and _____ | 14 |
| Ever and ___ (from time to time) | 32 |
| Common signature | 16 |
| Certain writers: Abbr. | 22 |
| Before thou knowest it | 22 |
| Before much longer, poetically | 30 |
| Before long, to the Bard | 24 |
| Author unknown, for short | 25 |
| At once, to the Bard | 20 |
| At once, once | 13 |
| At a later date | 15 |
| Al-___ | 6 |
| Abbr. used when an author is unknown | 36 |
| "Primary Colors" author, for short | 44 |
| "Author unknown" byline, briefly | 42 |
| "Author unknown," for short | 37 |
| Writer unknown | 14 |
| World's most prolific author? | 33 |
| Without a name, briefly | 23 |
| Within the hour, maybe | 22 |
| When Iago bade Cassio return | 28 |
| Unsigned, briefly | 17 |
| Unnamed author (abbr.) | 22 |
| Unknown, as a writer: Abbr. | 27 |
| Unknown author's byline, briefly | 36 |
| Unknown author: Abbr. | 21 |
| Unknown author, for short | 25 |
| Unknown author, briefly | 23 |
| Unknown author | 14 |
| Uncredited in 'Bartlett's' | 38 |
| Unattributed, as a quote: Abbr. | 31 |
| Ubiquitous auth. | 16 |
| This may follow words of wisdom | 31 |
| Third Witch's third line in "Macbeth" | 51 |
| The unknown author, briefly | 27 |
| Source unknown, as a quote: Abbr. | 33 |
| Source of many quotations, for short | 36 |
| Source of many a proverb, for short | 35 |
| Sooner than thou thinketh | 25 |
| Soon, to Pope | 13 |
| Soon, to a sonneteer | 20 |
| Soon, long ago | 14 |
| Soon, in sonnets | 16 |
| Soon, in a stanza | 17 |
| Soon, a long time ago | 21 |
| Signature on some writings: Abbr. | 33 |
| Shy author? | 11 |
| Shortly, to a poet | 18 |
| Shortly, once | 13 |
| Shortly, in Brit Lit claas | 26 |