I have heard and seen various mentions of the
Philadelphia Rare Books and Manuscript Company. But I have never seen their website - until today. WOW. They have tons of old and rare books.

Samuel Johnson's Dictionary Published in 1773.

Introduction to the Dictionary as written by Samuel Johnson in 1773

Samuel Johnson's Dictionary - Published in 1786 - 8th edition

Robinson Crusoe by Daniel Defoe - Published 1790

Not forgetting Leigh Hunt...
An author requested by Helene Hanff from 84 Charing Cross Road.
published 1801

Aristophanes Published in 1783