1. See for example: R.J. M. Blackett, Divided Hearts, Britain and the American Civil War (Baton Rouge, 2001), pp. 128–37.
2. Joseph Hernon, Celts, Catholics & Copperheads: Ireland Views the American Civil War (Columbus, 1968), pp. 90–1
3. D. P. Crook, ‘Portents of War: English Opinion on Secession’, Journal of American Studies, Vol. 4, No. 2 (1971), pp. 176–7
4. Duncan Andrew Campbell, English Public Opinion and the American Civil War (London, 2003), p. 99.
5. Brian Jenkins, Irish Nationalism and the British State, From Repeal to Revolutionary Nationalism (Montreal, 2006), pp. 40–2