He said party division has never played as prominent a role as it has so far this year. (syracuse.com)
His replacement, Hugh Gaitskell, associated with the right wing of the party, struggled in dealing with internal party divisions in the late 1950s and early 1960s (particularly over Clause IV of the Labour Party Constitution, which was viewed as Labour's commitment to nationalisation and Gaitskell wanted scrapped [50][51]-RRB-. (en.wikipedia.org)
This sought to give a more sophisticated account of internal party divisions, and indeed included chapters from Orange Book - ers such as Nick Clegg and Chris Huhne. (newstatesman.com)