^Such chronological terminology is widely used, for example, by Scottish Language Dictionaries Ltd. (formally SNDA), Dr. Anne King Archived 2006-06-16 at the Wayback Machine of the University of Edinburgh Archived 2006-08-18 at the Wayback Machine and by the University of Glasgow Archived 2005-12-18 at the Wayback Machine. It is also used in the Oxford Companion to the English Language and the Cambridge History of English and American Literature.