1. American and British English differences
http://en.wikipedia.org/wiki/American_and_British_English_differences2. The American's guide to speak Britist
http://www.effingpot.com/index.shtml
3. What are the differences between British English and American English?
http://www.woodlands-junior.kent.sch.uk/customs/questions/americanbritish.html
4. British to American / American to British
http://esl.about.com/library/vocabulary/blbritam.htm
5. English-English Dictionary
http://www.edupass.org/english/dictionary.phtml
6. Common Words in American and British English
http://www2.gsu.edu/~wwwesl/egw/jones/words.htm
7. English (British) - American Dictionary
http://www.bg-map.com/us-uk.html
8. American vs British English Basic Differences and Influences of Change
http://esl.about.com/gi/dynamic/offsite.htm?zi=1/XJ/Ya&sdn=esl&zu=http%3A%2F%2Fwww.uta.fi%2FFAST%2FUS1%2FREF%2Fusgbintr.html
9. British - American English (exercises)
http://www.englisch-hilfen.de/en/exercises_list/alle_words.htm
10. Selected Vocabulary Differences Between British and American English
http://www.uta.fi/FAST/US1/REF/usgbdiff.html
11. British/North American Vocabulary
http://www.englishclub.com/vocabulary/british-american.htm
12. What Flavo(u)r English?
http://redirects.seanet.com/~slarsson/USUK.html
13. British vs. American English (2) - Spelling Differences
http://www.studyenglishtoday.net/british-american-spelling.html
14. American and British English Differences -- Page 1
http://www.paulnoll.com/Books/Clear-English/English-differences-1.html
15. List of British words not widely used in the United States
http://en.wikipedia.org/wiki/List_of_British_English_words_not_used_in_American_English
16. British American English Quiz
http://www.englishmedialab.com/cloze/britishamerican/index.html
17. Spelling differences between American and British English
http://www2.gsu.edu/~wwwesl/egw/jones/differences.htm
18. British - American English & American - British English
http://www.englisch-hilfen.de/en/words_list/british_american.htm
19. British to American Translator
Translate British Slang Words Into American!
Online English to English Translation.
http://www.translatebritish.com/
20. BRITISH / AMERICAN ENGLISH
http://www.ac-nancy-metz.fr/enseign/anglais/Henry/britus.htm
21. American-British and British-American Dictionaries
http://www.travelfurther.net/dictionaries/
22. Differences Between American and British English
http://www.translation-services-usa.com/english_american_british.php
23. AMERICAN ENGLISH - BRITISH ENGLISH
http://www.english-zone.com/vocab/ae-be.html
24. English and American English Spelling
http://www.englishclub.com/writing/spelling_american-english.htm
25. British - American English - Exercise 2
http://useit.vn/content/view/3497/378/lang,english/