A Dictionary of True Etymologies

Clubland

A Dictionary of Music Titles: The Origins of the Names and Titles of 3,500 Musical Compositions

Cassell's Dictionary of Foreign Words and Phrases (Cassell Reference Series)

Dictionary of Astronomical Names

Place-Names of the World

Brewer's Dictionary of Modern Phrase & Fable

Literally Entitled

Dictionary of Changes in Meaning

NTC's dictionary of word origins

The Cassell dictionary of word histories