Akerman J.Y. 1838, "Denarius of Caracalla", The Numismatic Journal 2, 65-67. 1600-1899
Comment: Full text at: https://www.jstor.org/stable/42682966.
Anonymous 1839, "On the medallions of Caracalla and Geta, with the head of the latter erased", The Numismatic Chronicle 1, 194-197.
Comment: Full text at: https://www.jstor.org/stable/42728652.
Ravoisie A. 1846, Exploration scientifique de l'Algerie, I, Paris.
Comment: Full text at: http://catalogue.bnf.fr/ark:/12148/cb325584504.
Letronne J.-A. 1847, "Sur l'arc de triomphe de Theveste (Thebessa) dans la province de Constantine", RA 4,1, 360-374.
Comment: Full text at: https://www.jstor.org/stable/41745646.
Haenel G.F. 1857, Corpus legum ab imperatoribus romanis ante justinianum latarum, quae extra constitutionum codices supersunt, Leipzig.
Comment: Full text at: https://archive.org/details/corpuslegumabim00haen/page/n165/mode/2up. Caracalla: pp. 152-156.
Rapp E. 1863, "On a rare coin of Caracalla in a private collection at Bonn", The Numismatic Chronicle and Journal of the Numismatic Society 3, 236-245.
Comment: Full text at: https://www.jstor.org/stable/42679306.
Champfleury 1867, Histoire de la caricature antique, Paris.
Comment: Full text at: http://catalogue.bnf.fr/ark:/12148/cb302188331. Caracalla: 109-119.
De Longperier A. 1868, "Tresor de Tarse", Revue Numismatique 13, 309-336.
Comment: Full text at: https://books.google.nl/books?id=7XdRAAAAcAAJ.
Drexler W. 1880, Caracallas Zug nach Orient und der letzte Partherkrieg (214-217), Halle.
Comment: Full text at: https://archive.org/details/caracallaszugnac00drex.
Bent J.T. 1887, "Inscriptions from Thasos", JHS 8, 409-438.
Comment: Full text at: https://www.jstor.org/stable/623485.
Huelsen Ch. 1894, "Zur Topographie des Quirinals", Rheinisches Museum fuer Philologie 49, 379-423.
Comment: Full text at: https://www.jstor.org/stable/41251893.
Von Rohden P. 1896, "Aurelius 46", Paulys Realencyclopaedie der classischen Altertumswissenschaft II,2, 2434-2453.
Comment: Full text at: https://de.wikisource.org/wiki/RE:Aurelius_46.