The Differences Between British and American English Website Links

Differences between British and American English. 

http://www.onestopenglish.com/grammar/grammar-reference/american-english-vs-british-english/differences-in-american-and-british-english-grammar-article/152820.article

http://en.wikipedia.org/wiki/Comparison_of_American_and_British_English

http://www.writing-skills.com/advice-and-tips/ten-differences-between-uk-and-us-english/

http://esl.about.com/od/toeflieltscambridge/a/dif_ambrit.htm

http://esl.fis.edu/grammar/easy/aebe.htm

http://www.usingenglish.com/forum/pronunciation-phonetics/24065-differences-between-english-american-english-pronunciation.html

http://www.spellzone.com/pages/british-american.cfm

http://www.englishclub.com/writing/spelling_american-english.htm