Gw mau tau Bacaan lanjut dari Constantinus I. Jelasin dalam bahasa melayu

Velikov, Yuliyan (2013). Imperator et Sacerdos. Veliko Turnovo University Press. ISBN 978-954-524-932-7 (in Bulgarian)

Complete chronological list of Constantine's extant writings

Letters of Constantine: Book 1, Book 2, & Book 3

12 Byzantine Rulers by Lars Brownworth of Stony Brook School (grades 7–12). 40 minute audio lecture on Constantine.

Constantine I in the 1911 Encyclopædia Britannica

Constantine the Great A site about Constantine the Great and his bronze coins emphasizing history using coins, with many resources including reverse types issued and reverse translations.

House of Constantine bronze coins Illustrations and descriptions of coins of Constantine the Great and his relatives.

BBC North Yorkshire's site on Roman York, Yorkshire and Constantine the Great

This list of Roman laws of the fourth century shows laws passed by Constantine I relating to Christianity.

Constantine's time in York on the 'History of York'

Constantine the Great Acrolithic Statue

Constantine's place in World history