1. http://www.englishclub.com/vocabulary/british-american.htm

http://iteslj.org/v/e/ck-british-american.html

http://all-that-is-interesting.com/post/3913109763/american-english-vs-british-english
http://www.grammarist.com/quizzes/american-english-british-english-quiz/
http://redbus2us.com/common-american-english-words-used-in-daily-life-vs-british-english-equivalents/

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

http://www.diffen.com/difference/American_English_vs_British_English

http://www.diffen.com/difference/American_English_vs_British_English

Words- American and British English

• http://www.learnenglish.de/mistakes/USvsBrEnglish.html