Merriam Webster
Webster's concise English dictionary
The Complete crossword puzzle dictionary
A Dictionary for Boys and Girls (Webster's Elementary Dictionary)
Merriam Webster's Collegiate Dictionary (Tenth Edition)
The Merriam-Webster Pocket Dictionary of Synonyms
The Official Scrabble Players Dictionary (5th Edition -2014) Platinum Edition
Webster's Biographical Dictionary
Webster's Elementary Dictionary
Webster's geographical dictionary
Websters Intermediate Dictionary