1920-1929

Hasebroek J. 1921, Untersuchungen zur Geschichte des Kaisers Septimius Severus, Heidelberg.
Comment: Full text at: https://archive.org/details/untersuchungenzu00haseuoft/page/n5/mode/2up.
Dombart T. 1922, Das Palatinische Septizonium zu Rom, Muenchen.
Reviews: E. Brandenburg, Archiv fuer Orientforschung 3 (1926), 20-22 (https://www.jstor.org/stable/41662840).
Comment: Full text: https://opacplus.bsb-muenchen.de/title/BV001950760.
Kampstra J. 1923, "De rescripto Impp. Severi et Caracallae Solvae reperto", Mnemosyne 51,2, 218-222.
Comment: Full text at: https://www.jstor.org/stable/4426249.
Madaule J. 1924, "Le monument de Septime Severe au Forum Boarium", MEFRA 41, 111-150.
Comment: Full text at: https://www.persee.fr/doc/mefr_0223-4874_1924_num_41_1_8482.
Van Sickle C.E. 1928, "The Headings of Rescripts of the Severi in the Justinian Code", Classical Philology 23,3, 270-277.
Comment: Full text at: https://www.jstor.org/stable/263716.