What groups other than monks copied books in past times, and what did they do with the books that had errors in them?

by [deleted]

[deleted]

Searocksandtrees

in past times

OP, this sub does not permit "throughout history" questions, ie questions that could span all (literate, in this case) cultures, any time, anywhere. Could you specify which region/country/culture and time period you're asking about?