Hepburn, A. C. (2002). "direct rule". In Connolly, S. J. (ed.). The Oxford Companion to Irish History. Oxford University Press. ISBN9780199234837. Archived from the original on 28 September 2017. Retrieved 27 September 2017.
Hepburn, A. C. (2002). "direct rule". In Connolly, S. J. (ed.). The Oxford Companion to Irish History. Oxford University Press. ISBN9780199234837. Archived from the original on 28 September 2017. Retrieved 27 September 2017.