*{{cite journal |last=Lo Bello |first=Anthony |year=1982 |title=A Papal Conclave: Testing the Plausibility of a Historical Account |journal=[[Mathematics Magazine]] |volume=55 |issue=4 |pages=230–233 |jstor=2690165 }}
*{{cite book|last=Pirie|first=V.|year=1936|title=The Triple Crown|location=New York|publisher=G. P. Putnam's Sons }}
*{{cite book|last=Roscoe|first=William|year=1888|url=http://books.google.com/books/download/The_Life_and_Pontificate_of_Leo_the_Tent.pdf?id=cudXeVAgHGgC&output=pdf&sig=ACfU3U2xiugzWm-vZ-3HQ4FSmyF8srTuEg&source=gbs_v2_summary_r&cad=0|title=The Life and Pontificate of Leo the Tenth|location= }}
*{{cite book|last=Setton|first=Kenneth M.|year=1983|title=The Papacy and the Levant (1204–1571)|location=Philadelphia|publisher=American Philosophical Society|isbn=0871691140 }}
*{{cite book|authorlink=Thomas Adolphus Trollope|last=Trollope|first=Thomas Adolphus|year=1876|url=http://books.google.com/books/download/The_papal_conclaves__as_they_were_and_as.pdf?id=wyU3AAAAMAAJ&output=pdf&sig=ACfU3U1WKSZOUejQuL3GbgPLWh6RnygQeg&source=gbs_v2_summary_r&cad=0|title=The papal conclaves, as they were and as they are }}
