Saint Cletus (Subscribe)
Links
Popes Through the Ages: St. Cletus
http://www.cfpeople.org/Books/Pope/POPEp3.htm
Short note on this pope and the difficulty over his name.
Catholic Encyclopedia: Pope St. Cletus
http://www.newadvent.org/cathen/04054a.htm
Says that "Cletus" is only another form of "Anacletus", briefly explains how the error of thinking the two names are two different popes came about, says that Cletus died in about 88.
Catholic Encyclopedia: Pope St. Anacletus
http://www.newadvent.org/cathen/01446a.htm
Pope St. Anacletus, third pope, a martyr, d. about 91. "Whether he was the same as Cletus, who is also called Anencletus as well as Anacletus, has been the subject of endless discussion."
Anacletus
http://www2.evansville.edu/ecoleweb/glossary/anacletus.html
Brief article this pope, by Karen Rae Keck.