American / British Language Difference
A collection of materials originally for a course on American English prepared by the Department of Translation Studies, University of Tampere, Finland. Visit the site yourself to see what interests you. Here are some of the pages available:

• American vs British English: Basic Differences and Influences of Change
• Selected Vocabulary Differences Between British and American English
• Euphemisms and Jargon in American English
• 'Forbidden' Words, Expletives and Obscenities