[중고]Merriam Webster's Dictionary of Synonyms (Hardcover, Indexed) - A Dictionary of Discriminated Synonyms With Antonyms and Analogous and Contrasted Words
[중고]Merriam-Webster's Intermediate Thesaurus: The Authoritative Student Reference (Hardcover) - Synonyms, Related Words, Phrases, Near Antonyms, and Antonyms - Merriam-Webster 7