The New International Webster´s Pocket English/Spanish Dictionary

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

Longman Dictionary of English Language and Culture

Longman Advanced Learners´ Grammar + Key

Longman WordWise Dictionary + CD-ROM, 2e

Cambridge Idioms Dictionary 2nd ed.

Oxford Advanced Learner´s Dictionary, 9th ed.

Longman Elementary Dictionary

Longman Dictionary of Contemporary English, 6e (Paper) + Onl

Phrasal Verbs Dictionary 2nd Ed

The New Penguin English Dictionary