Crutcher, Betty Neal. (2014). Cross-Cultural Mentoring: A Pathway to Making Excellence Inclusive. Liberal Education, 100(2), [n.p.]. Retrieved from http://www.aacu.org/liberaleducation/2014/spring/crutcher
In this blog post (2014.09.30), Sabio Lantz (pen name) represented the history of the English Language in a single diagram. The main source of info. for that diagram was another website to which there is a link at the end of the post.