| NOWELL | ...... Codex, manuscript containing the unique copy of Beowulf (6) |
| BOOKOFDEER | Manuscript containing the earliest example of Gaelic writing in Scotland (4,2,4) |
| ANTHEMS | One manuscript containing the "Songs of a Nation" (7) |
| WIGLAF | Kinsman and chosen successor of Beowulf in the Anglo-Saxon epic poem (6) |
| AVOCET | Name of the unique electric No. 89001 (6) |
| VOLUME | Scroll of parchment or papyrus that was an ancient form of book; or, a codex or tome, whether complete in itself or forming part of a larger collection (6) |
| MOTTOS | Manuscript containing German slogans? (6) |
| ENCODE | Translate into cipher. it's in the Bergen Codex (6) |
| ONLYIF | In the unique case that |
| TUXEDO | Codex utilised, going back inside for dinner jacket (6) |
| ONEINA | The unique individual that's made single factory operative megabucks (3,2,1,7) |
| SCROLL | Codex precursor |
| ONLYCHILD | The one issue with the unique member of the family (4,5) |
| UNIONJACK | Among US state flags, the unique feature of that of Hawaii |
| ANON | Like the author of "Beowulf," in brief |
| AMOS | A manuscript containing old piece of scripture |
| ISBN | Acronym for the name of the unique number assigned to all books prior to publication (1,1,1,1) |
| CAESIUM | Atomic no. 55, whose name, from Latin for "sky blue", refers to the unique blue lines of its spectrum and colour of its flame (7) |
| ICELAND | Country where the Codex Regius (Royal Book) was written; a collection of Old Norse poems on vellum dating back to the 1270s (7) |
| LEONARDODAVINCI | Creator of the Codex Leicester |
