Mills, R. H., Thom, A., & Thom, S. (1857). The principles of currency and banking: Being five lectures delivered in Queen's College, Cork, to the students in arts of the third year. (2d ed., rev. and corr.). Groombridge and Sons.

Mills, Richard Horner., et al. The Principles of Currency and Banking: Being Five Lectures Delivered in Queen's College, Cork, to the Students in Arts of the Third Year. 2d ed., rev. and corr. Groombridge and Sons, 1857.