Simpson, J. t. y., & O'Brien, W. S. (1847). A letter to the Right Honourable Henry Labouchere, Chief Secretaty of Ireland: On the more effective application of the system of relief by means of soup kitchens. Grant and Bolton, 115, Grafton Street. G.W. Nickisson, London.

Simpson, James the younger, and William Smith O'Brien. A Letter to the Right Honourable Henry Labouchere, Chief Secretaty of Ireland: On the More Effective Application of the System of Relief by Means of Soup Kitchens. Grant and Bolton, 115, Grafton Street. G.W. Nickisson, London, 1847.