International Penal and Prison Congress 1872 : London, E., & Pears, E. (1872). Prisons and reformatories at home and abroad: Being the transactions of the International Penitentiary Congress held in London, July 3-13, 1872 : including official documents, discussions, and papers presented to the Congress. Longmans, Green, and Co..

International Penal and Prison Congress 1872 : London, England), and Edwin Pears. Prisons and Reformatories at Home and Abroad: Being the Transactions of the International Penitentiary Congress Held in London, July 3-13, 1872 : Including Official Documents, Discussions, and Papers Presented to the Congress. Longmans, Green, and Co., 1872.