21st century spelling dictionary

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21st Century Synonym and Antonym Finder

By Princeton Language Institute, Barbara Ann Kipfer

21st Century Dictionary of Quotations

By Princeton Language Institute

21st Century Dictionary of Slang

By Princeton Language Institute

21st Century Spanish-English English-Spanish Dictionary

By Princeton Lang Inst

The 21st Century Spanish-English/English-Spanish Dictionary is an invaluable reference source for today's students, business people and travelers, providing essential information in an easy-to-use...

21st century French-English, English-French dictionary

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21st Century German-English English-German Dictionary

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The 21ST Century German-English/English-German Dictionary is an invaluable reference source for today's students, business people and travelers, providing essential information in an easy-to-use fo...

Roget's 21st Century Thesaurus, Third Edition

By Barbara Ann Kipfer

Combining scholarly authority with an awareness of today’s communication demands, Roget’s 21st Century Thesaurus is the simple, reliable way to find the perfect word for your needs. It features an...

21st Century Grammar Handbook

By Barbara Ann Kipfer

This all-new guide to english is designed to be user-friendly.  Its innovative A-to-Z dictionary format lets you find the answers to your questions about grammar, punctuation, and preferred usage q...

21st Century Synonym and Antonym Finder

By Barbara Ann Kipfer