Josef L. Altholz and Damian Mcelrath, editors. The Correspondence of Lord Acton and Richard Simpson. Volume 1. New York: Cambridge University Press. 1971. Pp. xxvi, 228. $16.00 and Damian McElrath, in collaboration with James Holland et al. Lord Acton: The Decisive Decade, 1864-1874. Essays and Documents. (Bibliotheque de la Revue d'histoire ecclesiastique, Number 51.) Louvain: Publications Universitaires de Louvain; distrib. by Editions Nauwelaerts, Louvain. 1970. Pp. xix, 275. 400 fr B