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2. Webb, Beatrice, Our Partnership (London, 1948)
3. Harrison, A. T. ‘The First Marquess of Dufferin and Ava: Whig, Ulster Landlord and Imperial Statesman’ (unpublished DPhil thesis, New University of Ulster, 1983)
4. Edmund Du Cane and the Prison Act 1877
5. Yeo, Eileen, ‘Social Science and Social Change: A Social History of Some Aspects of Social Science and Social Investigation in Britain, 1830–1890’ (unpublished DPhil thesis, University of Sussex, 1972)