Dictionaries

English-French, Italian, Spanish, German, Russian, Portuguese, Polish, Romanian, Czech, Greek, Turkish, Chinese, Japanese, Korean, or Arabic online dictionary: http://WordReference.com

Real Academia EspaƱola: http://www.rae.es/rae.html

Google translate: http://translate.google.com/

Certification

American Translators Association: http://www.atanet.org/certification/index.php

Registry of Interpreters for the Deaf: http://www.rid.org/

Board for Evaluation of Interpreters (BEI), Texas: http://www.dars.state.tx.us/dhhs/bei.shtml