Porter, G. R., O'Brien, W. S., & Central Society of Education. (1838). Statistical inquiries into the social conditions of the working classes: And into the means for the education of their children. printed for Taylor and Walton, booksellers and publishers to the Central Society of Education.

Porter, George Richardson, et al. Statistical Inquiries into the Social Conditions of the Working Classes: And into the Means for the Education of Their Children. printed for Taylor and Walton, booksellers and publishers to the Central Society of Education, 1838.