Nicene and Post-Nicene Fathers, Series 2, Vol. 12 (Leo the Great, Gregory the Great) (1895) - Page 27

(7) Brief Description of the Life of Saint Leo the First by Gabriele Bertazzolo: Mantua, 1727. (8) Historical Memoirs of Saint Pope Leo by Teofilo Pacifico: Brescia, 1791. (9) L. E. Du Pin, History of Ecclesiastical Writers (English edition, vol. 1, pp. 464-480), Dublin, 1722. (10) C. Oudin, On the Writers of the Church (vol. 1, pp. 1271-5), Leipzig, 1722. (11) Wilhelm Amadeus Arendt (Roman Catholic), Leo the Great and His Time, Mainz, 1835. (12) Eduard Perthel, Pope Leo I's Life and Teachings, Jena, 1843 (a counterblast to No. 11, and no less exaggerated and prejudiced in statement). (13) A. de Saint-Chron, History of the Pontificate of Saint Leo the Great, Paris, 1846. (14) F. Böhringer, The Church of Christ and Her Witnesses (vol. 1, part 4, pp. 170-309), Zürich, 1845. (15) Charles Gore's Life of Leo the Great (S.P.C.K.); also his article in Smith's Dictionary of Christian Biography. (16) The article in Herzog's Real-Encyclopedia, of which a condensed English edition was edited by Dr. Philip Schaff at New York in 1883.

Other more general accounts of his times will be found in (1) Abbé Fleury, History of Christianity (vol. ii, pp. 384-480), Paris, 1836. (2) Bright's History of the Church from 313–451 (chaps. xiv, xv), Oxford and London, 1860. (3) Milman's Latin Christianity (Book ii, chap. 4), London, 1864. (4) R. Rohrbacher's Universal History of the Catholic Church (15th edition, vol. 4, pp. 461-575), Paris, 1868.

A short account of Leo's writings is given in Alzog's Outline of Patrology, § 78, pp. 368-375; a most exhaustive one in Ceillier's General History of Sacred Authors (new edition) (vol. x, pp. 169-276), 1858-1869. Bähr's History of Roman Literature, Supplement Vol. II, Section 2 (pp. 354-362), In the West, vol. 1, p. 448, may also be consulted; and Ebert's General History of the Literature of the Middle Ages.