Oxford Dictionary of Current English Third Edition

Longman WordWise Dictionary + CD-ROM, 2e

Oxford Idioms Dictionary for learners of English 2nd Revised edition

Longman Dictionary of Common Errors

Longman Elementary Dictionary

Longman Basic English Dictionary

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

Longman Pocket English Dictionary

The New Penguin English Dictionary

Longman Dictionary of Contemporary English New Edition+ DVD-ROM

Longman Dictionary of Contemporary English, 6e (Paper)

Cambridge Idioms Dictionary 2nd ed.

Longman Dictionary of English Language and Culture