The age of martyrs : christianity from Diocletian to Costantine / Giuseppe Riciotti ; translated from Anthony Bull. - Ricciotti, Giuseppe, C.R.L., 1890-1964. (OLS)http://pul/name/380; Bull, Anthony. (OLS)http://pul/name/44850 (The Bruce Publishing Company, 1959)
Comprende indici.

Essays on economics and society / by John Stuart Mill ; introduction by Lord Robbins ; textual editor J. M. Robson. - Mill, John Stuart, 1806-1873. (OLS)http://pul/name/15219; Robson, John M. (OLS)http://pul/name/103111; Robbins, Lionel. (OLS)http://pul/name/77008 (Routledge, 1967)
Bibliografia in nota.