Specialized Dictionaries
- Astronomy
- MacMillan Dictionary of Astronomy
- Biography
- Webster's New Biographical Dictionary
- Biology
- Collins Reference Dictionary - Biology
- Business
- Instant Business Dictionary
- Dictionary of Advertising and Direct Mail Terms
- Collocation
- The BBI Combinatory Dictionary of English
- The BBI Dictionary of English Word Combinations
- The Kenkyusha Dictionary of English Collocations
- Computing
- The Random House Personal Computer Dicitonary
- Oxford Refernce - Dictionary of Computing
- Dictionary of PC Hardware and Data Communications Terms
- The Penguin Dictionary of Computers
- Dictionary of Computer Terms
- MacMillan Dictionary of Personal Computing and Communications
- The Illustrated Dictionary of Microcomputers, 3rd Edition
- Dictionary of Computers, Data Processing and Telecommunications
- DTP
- Dictionary of Typesetting Terms
- Electronics
- Modern Dictionary of Electronics, Sixth Edition
- Encyclopedias
- Encyclopaedia Britannica
- The MacDonald Encyclopedia of Shells
- The New American Desk Encyclopedia
- The Encyclopedia of Mind, Magic & Mysteries
- The Cambridge Encyclopedia of the English Language
- The New Columbia Encyclopedia
- Golden Book Encyclopedia
- Espionage
- The Dictionary of Espionage
- Etymology & Word Histories
- Webster's Word Histories
- Guide to the Roots - A Dictionary of Word and Phrase Origins
- Dictionary of Word Roots
- Origins
- Word Origins and Their Romantic Stories
- A Concise Etymological Dictionary of the English Language
- Foreign Words
- The Harper Dictionary of Foreign Terms
- Dictionary of Foreign Terms
- Geography
- Webster's New Geographical Dictionary
- Merraim Webster's Geographical Dictionary, 3rd Edition
- A Dictionary of Foreign Words & Phrases in Current English
- Idioms
- The Penguin Dictionary of English Idioms
- Longman Idioms Dictionary
- Longman Dictionary of English Idioms
- Dictionary of English Colloquial Idioms
- Oxford Dictionary of Current Idiomatic English, Two Volumes
- NTC's American Idioms Dictionary
- Handbook of Commonly Used American Idioms
- Dictionary of Idioms
- Law
- Linguistics
- Encyclopedic Dictionary of the Sciences of Language
- Longman Dictionary of Language Teaching & Applied Linguistics
- A Dictionary of Linguistics and Phonetics
- Literature
- The Oxford Companion to English Literature
- The Random House Ditionary for Writers and Readers
- Dictionary of Literary Terms
- The Dictionary of Cultural Literacy
- Mythology
- Dictionary of Classical Mythology
- Names
- New Dictionary of American Family Names
- Names & Nicknames of Places & Names
- The Penguin Dictionary of Surnames
- The New American Dictionary of First Names
- Dictionary of Plant Names
- New Words
- The Morrow Book of New Words
- The Oxford Dictionary of New Words, 1991
- The Oxford Dictionary of New Words, 1997
- 13,000 Words - A Supplement to Webster's Third New International Dictionary, Unabridged
- trash cash, fizzbos, and flatliners - A Dictionary of Today's Words
- The Longman Dictionary of New Words, 1989 Edition
- The Longman Dictionary of New Words, 1990
- Times Neologisms - New Words Since 1960
- New Words Dictionary
- The New New Words Dictionary
- The Barnhart Dictionary of New English Since 1963
- Phrasal Verbs
- NTC's Dictionary of Phrasal Verbs and other Idiomatic Verbal Phrases
- Longman Dictionary of Phrasal Verbs
- Collins COBUILD Dictionary of Phrasal Verbs
- Phrases
- NTC's Super-Mini Common American Phrases
- Brewer's Dictionary of Phrase & Fable, Centennial Edition Revised
- Straight From the Horse's Mouth
- Brewer's Dictionary of Phrase & Fable, 15th Edition
- Politics
- Safire's Political Dictionary
- Pronunciation
- Longman Pronunciation Dictionary
- A Pronouncing Dictionary of American English
- English Pronouncing Dictionary of Proper Names
- Proverbs, Sayings
- The MacMillan Dictionary of English Proverbs Explained
- The Penguin Dictionary of Proverbs
- The Concise Oxford Dictionary of Proverbs
- Life Is Just a Bowl of Cherries and Other Delicious Sayings
- Quotations
- Science
- The Compact Oxford Dictionary of Earth Sciences
- Longman Dictionary of Scientific Usage
- McGraw-Hill Dictonary of Scientific Terms
- Slang
- Dictionary of American Slang, 2nd Supplemented Edition
- Dictionary of American Slang, 3rd Edition
- Dictionary of American Slang, 3rd Edition, 1995
- The Slang of Sin
- The Oxford Dictionary of Slang
- Times Dictionary of Contemporary Slang
- Slang and Euphemism, Abridged Edition
- Slang and Euphemism, Second Revised Edition
- The Big Book of Filth
- Bad Words Dictionary
- The Dictionary of Contempory Slang, by Jonathan Green
- Sexual Slang
- NTC's Dictionary of Slang and Colloquial Expressions
- New Dictionary of American Slang
- Slang Down the Ages
- Slang! - The Topic-by-Topic Dictionary of Contemporary American Lingoes
- The Oxford Dictionary of Modern Slang
- A Dictionary of Slang and Unconventional English
- Slang American Style
- Random House Historical Dictionary of American Slang - I A to G
- Random House Historical Dictionary of American Slang - II H to O
- The Thesaurus of Slang
- The Thesaurus of Slang, Revised and Expanded Edition
- The Penguin Dictionary of Historical Slang
- The Pocket Dictionary of American Slang
- A Dictionary of American Slang
- Special Words
- Words in Action
- The Endangered English Dictionary
- The Official Scrabble Player's Dictionary
- The Official Scrabble Player's Dictionary, 2nd Edition
- Illustrated Reverse Dictionary
- 20th Century Words
- Samuel Johnson's Dictionary of the English Language
- Pears Advanced Crossword Puzzler's Dictionary
- Times Dictionary of Difficult Words
- The F Word
- The Word Book
- Rhyming Dictionary - A Random House Dictionary
- The Quintessential Dictionary
- Sports
- Webster's Dictionary of Sports
- Dictionary of Sports Idioms
- How to Talk Bowling
- Superstition
- A Dictionary of Superstition
- Symbols
- Dictionary of Symbols and Imagery
- Thesaurus
- Webster's Collegiate Thesaurus
- Random House Word Menu
- Random House Word Menu, Newly Revised and Updated
- Webster's New Dictionary of Synonyms
- Thesaurus of American Slang
- Roget's International Theasurus, 4th Edition
- Roget's Intrernational Thesaurus, 5th Edition
- The Random House Thesaurus of Slang
- The Oxford Thesaurus
- Descriptionary
- Longman Lexicon of Contemporary English
- Bartlett's Roget's Thesaurus
- Longman Synonym Dictionary
- Bloomsbury Thesaurus
- Longman Top Pocket Roget's Thesaurus
- The Word Finder
- NTC's Thesaurus of Everyday American English
- Reader's Digest Family Word Finder
- A Dictionary of Synonyms and Antonyms
- Times First Learner's Thesaurus
- Usage
- Webster's NewWorld Guide to Current American Usage
- Success with Words
- Reader's Digest Use the Right Word - A Modern Guide to Synonyms
- Longman Guide to English Usage
- Collins COBUILD English Usage
- Webster's Dictionary of English Usage
- Dictionary of Contempory Usage, 2nd Edition
- Longman Dictionary of Common Errors
- A Dictionary of Contemporary Amercian Usage
- Fowler's Modern English Usage
- Varieties of English
- Australian Words and Their Origins
- English as a Second F*cking Language
- Aw, Shucks! The Dictionary of Country Jawing
- The Book of Jargon
- The Dictionary of Cliches
- British English A to Zed
- British/American Language Dictionary
- Visual Dictionary
- Dorling Kindersley Ultimate Visual Dictionary
- The MacMillan Visual Dictionary
- Longman Photo Dictionary
- Oxford-Duden Pictorial English Dictionary