Any knowledge of the municipal system evolved in Italy after the Social War must turn, however we might wish it otherwise, upon the four bronze inscriptions found respectively at Tarentum, Veleia, Ateste and Heraclea. They have been much discussed, and it may seem that there is nothing more useful to be said; but the present state of opinion leaves room for doubt. To Mommsen and scholars of his generation they were at least ingenuous documents, but poorly engraved and in places obscure and inexplicable. Even that was challenged by Gradenwitz, who in a remarkable series of articles turned upon them an eye sharpened in the pursuit of interpolation in legal texts, and declared that at least two—the Lex Rubria and the Tabula Heracleensis—were products of inept draftsmen who inserted glosses and interpolations in defiance of style and sense. A. von Premerstein went further; like the Spanish charter from Urso, the Heraclea inscription was an unfinished draft of Caesar's published, after his murder, by Antony with reckless additions of his own; and more recently, the same has been urged by G. Beseler, F. Schulz and others of the Lex Rubria. The internal problems of these inscriptions are thus met by questioning their evidential value, but this seems, like a conjuror's explanation, to raise deeper mysteries than it solves.