Dear reynard

If you would like an "open source" aka FREE copy of a text such as David Copperfield one of your best bets for Kindle etc download is "Project Guttenberg."

IF - you are seeking "Obsure Sheet Music" - the UK and most certainly David Copperfield by postal codes is the LAST place most educated searchers would search.

Sincerely,
Gargoyle

Do not let me discourage your pursuit of knowledge - please parse the verbs and pursue the participles of your passion.

Ya gotta be quicker than a winker laf kat