The Evolution of the Papacy. Francis Ambrose Ridley 1949
355 Felix II
367 Ursinus
418 Eulalius
498 Laurentius
530 Dioscorus
686 Theodorus and Pascal
767 Constantine, Theophylactus
824 Zozimus
855 Anastasius
891 Sergius
963 Leo VIII
974 Boniface VII
996 John XVI
1012 Gregory
1044 Sylvester III
1045 John XX
1046 Clement II
1047 Benedict IX
1058 Benedict X
1061 Honorius II
1080 Clement III
1118 Gregory VIII
1130 Anacletus II
1138 Victor IV
1159 Victor V
1164 Paschal III
1168 Calixtus III
1178 Innocent XIII
1378 Clement VII
1394 Benedict XIII
1406 Gregory XII
1424 Clement VIII
1439 Felix V