For an economic interpretation see E. Strauss, Irish Nationalism and British Democracy (1951); for an opposing political interpretation see N. Mansergh, The Irish Question, 1840–1921 (rev. ed. 1965). See also W. K. Hancock, Survey of British Commonwealth Affairs (2 vol., 1937–42; repr. 1964); A. T. O. Stewart, The Ulster Crisis (1967); D. Thornley, Isaac Butt and Home Rule (1964, repr. 1976).
