Licinius - Essay by Michael DiMaio, Jr. covering the life of this 4th century Roman Emperor. - http://www.roman-emperors.org/licinius.htm
Roman Coins of Licinius I - Provides a history of the coins minted by this emperor with pictures. - http://www.forumancientcoins.com/roman-coins.asp?vpar=459&pos=0
Socrates Scholasticus Account of Licinius' End - Details concerning the war between Constantine and Licinius and death of the latter. - http://www.ccel.org/ccel/schaff/npnf202.ii.iv.iv.html
Wikipedia - Licinius - Encyclopedia article covering the life of this Roman Emperor. - http://en.wikipedia.org/wiki/Licinius
Emperor Licinius - Biography covering the life and rule of this Roman leader during the decline of the Western Empire. - http://www.roman-empire.net/decline/licinius.html