The book of the popes (Liber pontificalis) - Loomis, Louise Ropes, 1874-1958.; American Council of Learned Societies (New York : Octagon Books, 1965)
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Keywords: Catholic Church -- History -- Sources; Papacy -- History -- Sources; Popes -- Biography -- Early works to 1800.; Church history -- Primitive and early church, ca. 30-600.