Concept
Version 3
Created by Boundless
The Julio-Claudian Emperors
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Tiberius,_Romisch-Germanisches_Museum,_Cologne_(8115606671).jpg."
https://en.wikipedia.org/wiki/File:Tiberius,_Romisch-Germanisches_Museum,_Cologne_(8115606671).jpg
Wikipedia
CC BY-SA 3.0.