Thanks for playing along - do keep your sentences coming! Just thought I'd let you know the answers - and point out my bit of trickery, which nobody spotted!
1.) is a rather lovely sentence from The Diaries of Sylvia Townsend Warner.
2.) is in fact not Emma, but Mrs. Elton in America by Diana Birchall. Sneaky, no?
3.) was correctly identified by several people as The Bible.