Byzantine Rome and the Greek popes : Eastern influences on Rome and the papacy from Gregory the Great to Zacharias, A.D. 590-752

Ekonomou, Andrew J.. (Lexington Books, 2007)
McNichols Campus Library
BX 1070 .E36 2007

Encyclopedia of the Vatican and papacy

Coppa, Frank J., ed.. (Westport, Conn. : Greenwood Press, 1999)
McNichols Campus Library
BX 955.2 .E53

The great popes through history : an encyclopedia

(Greenwood Press, 2002)
McNichols Campus Library
BX 955.3 .G74 2002

In 2 volumes.

The history of the popes, from the close of the Middle Ages.

von Freiherr, Pastor Ludwig. (London, J. Hodges, 1891-)
McNichols Campus Library
BX955 .P35

40 volumes.

A history of the popes : from Peter to the present

O'Malley, John W.. (Sheed & Ward, c2010)
McNichols Campus Library
BX 955.3 .O43 2010

Keepers of the keys of heaven : a history of the papacy

Collins, Roger. (Basic Books, 2009)
McNichols Campus Library
BX 955.3 .C655 2009

List of Popes, New Advent Catholic Encyclopedia

Knight, Kevin.

Online resource.

The modern papacy

Gregg, Samuel. (Bloomsbury, 2014)

Electronic book.

The papacy : an encyclopedia

Levillain, Philippe (ed.). (Routledge, 2002)
McNichols Campus Library
BX 955.2 .D53 2002

In 3 volumes.

The Papacy in the modern world : a political history

Coppa, Frank J.. (Reaktion Books, 2014)
McNichols Campus Library
BX 955.3 .C67 2014

The papacy since 1500 : from Italian prince to universal pastor

Corkery, James; Worcester, Thomas (eds.). (Cambridge University Press, 2010)
McNichols Campus Library
BX 955.3 .P35 2010

Ten popes who shook the world

Duffy, Eamon. (Yale University Press, c2011)
McNichols Campus Library
BX 955.3 .D84 2011

Available in print and electronically.