Allen's work is a rather extreme example of the "country community" school of seventeenth-century English history whose intemperate excesses in removing all national issues from the history of that period have been exposed by Professor Clive Holmes.
Allen's work is a rather extreme example, a example of the country community school of 17th-century English history. The school's intemperate excesses in removing all national issues from the 17th-century English history have been revealed by Professor Holmes.