Catholic Encyclopedia: Zosimus Biographical article providing an overview of Zosimus' contributions to Roman history. http://www.newadvent.org/cathen/15765a.htm

Vortigern Studies: Zosimus Short biography and excerpts from "Historia Nova" on the Saxon invasion of Britain. http://www.vortigernstudies.org.uk/artsou/zosim.htm

Gwarnant: Historia Nova Translated excerpts from Book 6. http://www.webexcel.ndirect.co.uk/gwarnant/hanes/texts/textsnova.htm

Procopius of Caesarea Hypertexts of The Secret History, History of the Wars, and De Aedificis (On The Great Church). http://procopius.net/