Longman WordWise Dictionary

Longman Dictionary of Contemporary English, 6e (Paper)

Oxford Idioms Dictionary for learners of English 2nd Revised edition

Longman Dictionary of Common Errors

Longman Idioms Dictionary

Longman WordWise Dictionary + CD-ROM, 2e

Cambridge Advanced Learner´s Dictionary Third Edition With CD-ROM

Phrasal Verbs Dictionary 2nd Ed

Longman Handy Learner´s Dictionary

Oxford Collocations Dictionary for Students of English. Second edition. Pack (Book and CD-ROM)

Oxford Large Print Thesaurus