James Smith Reid, 1911 Encyclopædia Britannica, Volume 24… (1911)
“ The natural gifts of Severus were of no unusual order. He had a clear head, promptitude, resolution, tenacity and great organizing power, but no touch of genius. That he was cruel cannot be questioned, but his cruelty was of the calculating kind, and always directed to some end. He threw the head of Niger over the ramparts of Byzantium, but merely as the best means of procuring a surrender of the stubbornly defended fortress. ”
