Vocabulary

Free to read here, from Project Gutenberg.

The Devil's Dictionary

Ambrose Bierce, also an audiobook

The Foolish Dictionary

Gideon Wurdz, also an audiobook

The Cynic's Word Book

Ambrose Bierce

The Roycroft Dictionary, Concocted by Ali Baba and the Bunch on Rainy Days.

Elbert Hubbard

The Century Vocabulary Builder

Garland Greever and Joseph M. Bachelor

Burgess Unabridged: A new dictionary of words you have always needed

Gelett Burgess