==Notes====References==* Canduci, Alexander, "Triumph and Tragedy: The Rise and Fall of Rome’s Immortal Emperors" (2010)* Collins, Roger, "Keepers of the Keys of Heaven: A History of the Papacy" (2010)* DeCormenin, Louis Marie; Gihon, James L., "A Complete History of the Popes of Rome, from Saint Peter, the First Bishop to Pius the Ninth" (1857)* Gregorovius, Ferdinand, "History of the City of Rome in the Middle Ages", Vol.
“Сергий оставался папой в течение семи бурных лет и был человек большой энергии, хотя апостольские добродетели едва ли можно найти в его характере.”*Canduci, Alexander, Triumph and Tragedy: The Rise and Fall of Rome’s Immortal Emperors (2010)*Collins, Roger, Keepers of the Keys of Heaven: A History of the Papacy (2010)*DeCormenin, Louis Marie; Gihon, James L., A Complete History of the Popes of Rome, from Saint Peter, the First Bishop to Pius the Ninth (1857)*Gregorovius, Ferdinand, History of the City of Rome in the Middle Ages, Vol.