Merriam-Webster's Collegiate Thesaurus, Second Edition
The Merriam-Webster Dictionary of Synonyms and Antonyms
Merriam-Webster's Collegiate Dictionary, 11th Edition
Merriam-Webster's Guide to Punctuation and Style
Merriam-Webster's Medical Dictionary
Merriam-Webster's Dictionary of Quotations
COBUILD Advanced Learner’s Dictionary KINDLE-ONLY EDITION
Collins English Dictionary Complete and Unabridged
Oxford Advanced Learner’s Dictionary, 8th edition (Oxford Advanced Learner's Dictionary)
Merriam-Webster's Dictionary of Allusions