Rome and Persia in Late Antiquity: Neighbours and Rivals "We learn that during the decisive battle near Edessa, not only high Roman officials but also the emperor Valerian himself were captured by Shapur with his own hands ... The Sasanians celebrated this victory, which was one of their greatest successes over the Western opponent, as an unparalleled triumph"
iranicaonline.org
Encyclopaedia Iranica, "And in the third campaign, we set upon Carrhae and Edessa, and as we were besieging Carrhae and Edessa, Valerian Caesar came against us, and with him was a force (later specified as totaling 70,000) from the province (hštr) of the Goths and Germans (most Roman provinces are named)."
