The most common and most likely answer to this crossword clue is the 11 letter word MANUSCRIPTS
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MANUSCRIPTS mean?
MANUSCRIPTS noun- A book, composition or any other document, written by hand (or manually typewritten), not mechanically reproduced.
- A single, original copy of a book, article, composition etc, written by hand or even printed, submitted as original for (copy-editing and) reproductive publication.