Guey J. 1951, "L'inscription du grand-pere de Septime-Severe a Leptis Magna", Memoires de la Societe nationale des antiquaires de France 82, 161-226. 1950-1959
Ward-Perkins J.B. 1951, "The Arch of Septimius Severus at Lepcis Magna", Archaeology 4,4, 226-231.
Comment: Full text at: https://www.jstor.org/stable/41663010.
Van Norren J.J. 1953, Plautianus, commandant van de lijfwacht van keizer Septimius Severus, Hilversum.
Davies J.G. 1954, "Was the devotion of Septimius Severus to Serapis the cause of the persecution of 202-3?", The Journal of Theological Studies 5,1, 73-76.
Comment: Full text at: https://www.jstor.org/stable/23953275.
Westermann W.L. - Schiller A.A. 1954, Apokrimata: Decisions of Septimius Severus on Legal Matters, New York.
Reviews: N. Lewis, Columbia Law Review 55,7 (1955), 1095-1097 (https://www.jstor.org/stable/1119404); V. Arangio-Ruiz, Gnomon 28,3 (1956), 186-192 (https://www.jstor.org/stable/27681318); P. Stein, The American Journal of Comparative Law 5,4 (1956), 686-690 (https://www.jstor.org/stable/837659); J. Guey, Revue des Etudes Anciennes 61,1-2 (1959), 134-139 (https://www.persee.fr/doc/rea_0035-2004_1959_num_61_1_3615).
Comment: See also https://droitromain.univ-grenoble-alpes.fr/Constitutiones/Rescriptum6_DDBDP.gr.html and http://papyri.info/ddbdp/p.col;6;Apokrimata#.
Perrat C. 1955, "La devaluation du denier romain sous Septime-Severe (194-195)", Bulletin de la Societe nationale des Antiquaires de France, 89-91.
Comment: Full text at: https://www.persee.fr/doc/bsnaf_0081-1181_1955_num_1952_1_4766.
Vermeule C. 1955, "Review of Opuscula Romana vol. I", AJA 59,4, 349-351.
Comment: Full text at: https://www.jstor.org/stable/500818.
Tocchi A. 1956, "Il culto seculare dei gemini e i tipi monetali severiani con Bacco e Ercole", Rivista Italiana di Numismatica 58, 3-20.
Comment: Full text at: http://www.socnumit.org/doc/rin/RIN1956.pdf.
Frezouls E. 1957, "Les Baquates et la province romaine de Tingitane", Bulletin d'Archeologie Marocaine 2, 65-116.
Comment: Full text at: http://www.abhatoo.net.ma/maalama-archives/archives-textuelles1/developpement-economique-et-social/developpement-social/histoire/science-historique/les-baquates-et-la- province-romaine-de-tingitane.
Mundle I. 1957, Untersuchungen zur Religionspolitik des Septimius Severus: Herkules, Bacchus, Jupiter, Juno, Freiburg.
Benario H.W. 1958, "Rome of the Severi", Latomus 17,4, 712-722.
Comment: Full text at: https://www.jstor.org/stable/41521568.
Guey J. 1958, "La date de naissance de l'empereur Septime-Severe, d'apres son horoscope", Bulletin de la Societe nationale des Antiquaires de France, 33-35.
Comment: Full text at: https://www.persee.fr/doc/bsnaf_0081-1181_1958_num_1956_1_5476.
Guey J. 1959, "Un document sur Septime-Severe en Egypte (Papyrus Columbia 123)", Revue des Etudes Anciennes 61,1-2, 134-139.
Comment: Full text at: https://www.persee.fr/doc/rea_0035-2004_1959_num_61_1_3615.