Buttress´s world guide to abbreviations of organizations /
Webster`s compact writers guide
Webster´s instant word guide
The Penguin dictionary of abbreviations /
Anglo-American and German abbreviations in environmental protection /
Acronyms, Initialisms, and Abbreviations Dictionary. Vol. 1.
Acronyms, Initialisms, and Abbreviations 1981. Vol. 2.
Webster`s legal speller
Webster´s medical speller
Webster`s schools theasaurus
Webster`s intermediate dictionary
Webster`s American biographies /
The Merriam-Webster thesaurus.
The Merriam-Webster dictionary.
Webster´s compact dictionary
The Merriam-Webster thesaurus
Webster´s collegiate thesaurus
New Webster´s dictionary /
Webster´s American biographies /