Helps, A., & Helps, A. (1971). The claims of labour: An essay on the duties of the employers to the employed, and An essay on the means of improving the health and increasing the comfort of the labouring classes. Irish University Press.

Helps, Arthur, and Arthur Helps. The Claims of Labour: An Essay on the Duties of the Employers to the Employed, and An Essay on the Means of Improving the Health and Increasing the Comfort of the Labouring Classes. Irish University Press, 1971.