Living Language Japanese Dictionary: Japanese-English/English-Japanese (Living Language Dictionaries)

Longman Dictionary of Contemporary English

Harrap's Concise French-English Dictionary/Dictionnaire Anglais-Francais

Forgotten English

Basic English Grammar

The American Heritage dictionary of the English language

Dr. Grammar's Writes from Wrongs: A Supremely Authoritative Guide to the Common and Not-So-Common Rules of the English Language

UNIX for the impatient

Woe Is I: The Grammarphobe's Guide to Better English in Plain English (Expanded)

Framley Parsonage (Penguin English Library)