immigration in the USA

http://www.wwnorton.com/inventing/interface/ch18/ch18_overview.htm

A Day without a Mexican
http://www.adaywithoutamexican.com/index1.htm
http://www.adaywithoutamexican.com/index1.htm

http://www.kathimitchell.com/immigrate.html

ethnic minorities

http://www.marcusschenkenberg.info/translationtext07.html