Talbot, J. F., Leo XIII, P., & McKenna, P. A. (1886). Pope Leo XIII, his life and letters: From recent and authentic sources, together with useful, instructive, and entertaining information required by all Roman Catholic people throughout the world. M. Garrison.
Chicago-referens (17:e uppl.)Talbot, James F., Pope Leo XIII, och P. A. McKenna. Pope Leo XIII, His Life and Letters: From Recent and Authentic Sources, Together with Useful, Instructive, and Entertaining Information Required by All Roman Catholic People Throughout the World. Boston: M. Garrison, 1886.
MLA-referens (8:e uppl.)Talbot, James F., et al. Pope Leo XIII, His Life and Letters: From Recent and Authentic Sources, Together with Useful, Instructive, and Entertaining Information Required by All Roman Catholic People Throughout the World. M. Garrison, 1886.