Byzantium and the papacy, 1198-1400

Joseph Gill

1979

A history of the Papacy from the Great Schism to the sack of Rome

Mandell Creighton

1897

The Latin church during Anglo-Saxon times

Soames, Henry

1848

The Fisherman's Net

Michael Collins

2005

Pope Alexander VI and his court

Anonymous, Johann Burchard, F L Glaser

1921

Pope Pius XII

Margherita Marchione

2000

The primitive saints and the see of Rome

F. W. Puller

1893

Jurisdiction in the early church, Episcopal and papal

Gregory Dix

1975

The Italian crusades

Norman Housley

1982

The restoration of Rome

P. J. Heather

2014

Anti-Janus

Joseph Hergenröther

1870

A History of the Borgias

Frederick William Rolfe

1900

Encyclopedia of the Vatican and papacy

Frank J. Coppa

1999

The Papal State in the thirteenth century

Daniel Philip Waley, Daniel Waley

1961

Rome

John Francis Maguire

1857

The Restoration of Rome

Peter Heather

2013

The Roman primacy A.D. 430-451

Luke Rivington

1899

Acton collection

Cambridge University Library.

1908

Illuminating Angels and Demons

Simon Cox

2004

The two Babylons, or, The papal worship proved to be the worship of Nimrod and his wife

Hislop, Alexander

1903

History of Rome and the Popes in the Middle Ages

Hartmann Grisar

1911

Three Popes and the Cardinal

Malachi Martin

1972

The Church visible

James-Charles Noonan

1996

The papacy and modern times

William Francis Barry

1911

La question romaine

Edmond About

1859

A history of the popes

Coulombe, Charles A.

2003

Popes from the Ghetto

Joachim Prinz

1966

The book of pontiffs (liber pontificalis)

Raymond Davis

1989

Pontiff

Gordon Thomas

1983

A discourse delivered at Margaretville to the Loyal Orangemen of Wilmot on July 12, 1865

D. F. Hutchinson

1865