Note: Gibbonus secundum habet pro numero, quod tamen est viri agnomen Wagner, nota in loc.
"The History of The Decline and Fall of the Roman Empire Volume 2" by Edward Gibbon
Metellus was recalled, enjoyed a triumph, and received the agnomen of NUMIDICUS.
"History of Rome from the Earliest times down to 476 AD" by Robert F. Pennell
The usual agnomen of Gustavus Adolphus.
"Early Reviews of English Poets" by John Louis Haney
Sometimes there was also a fourth name, called the agnomen, added from some illustrious action, or remarkable event.
"Roman Antiquities, and Ancient Mythology" by Charles K. Dillaway
THE AGNOMEN OF "BROTHER JONATHAN," OF MASONIC ORIGIN.
"Notes and Queries, Vol. V, Number 120, February 14, 1852" by Various