Severus Alexander. RIC, IV (2), p. 104, 402. RIC, IV (2), p. 104, 407. RIC, IV (2), p. 115, 560. RIC, IV (2), p. 114, 547. RIC, IV (2), p. 117, 591. RIC, IV (2), p. 118, 602. RIC, IV (2), p. 110, 500 ... Agora 2 18 ... 223 A.D.