"Maroboduus". britannica.com. Encyclopædia Britannica, inc. March 20, 2016. Retrieved June 21, 2020. Maroboduus, (died AD 37, Ravenna, Italy), king of the Marcomanni who organized the first confederation of German tribes.
Grant, Michael. "Horace". Encyclopaedia Britannica. Retrieved February 22, 2024.
Preserved by Macrobius, Saturnalia 1.12.35; entry on calendarium, in William Smith, A Dictionary of Greek and Roman Antiquities (John Murray, London, 1875), at LacusCurtius.
