Willis, T., & Joly, J. R. (1845). Facts connected with the social and sanitary condition of the working classes in the city of Dublin: With tables of sickness, medical attendance, deaths, expectation of life, &c., &c.; together with some gleanings from the census returns of 1841. T. O'Gorman.

Willis, Thomas, and Jaspar Robert Joly. Facts Connected with the Social and Sanitary Condition of the Working Classes in the City of Dublin: With Tables of Sickness, Medical Attendance, Deaths, Expectation of Life, &c., &c.; Together with Some Gleanings from the Census Returns of 1841. T. O'Gorman, 1845.