During World War II, the major parties had agreed not to contest by-elections when vacancies arose in seats held by the other parties, so the Labour candidate, David Mort, was returned unopposed.[citation needed] Mort represented the constituency until his death in 1963, triggering another by-election.
^Craig, F. W. S. (1969). British parliamentary election results 1918-1949 (1 ed.). Glasgow: Political Reference Publications. ISBN0-900178-019. Page 542
Further reading
Craig, F. W. S. (1983) [1969]. British parliamentary election results 1918-1949 (3rd ed.). Chichester: Parliamentary Research Services. ISBN0-900178-06-X.