The Roman law of AD 69–70 that conferred the imperial position, with its powers and privileges, on the emperor Vespasian — the nearest thing the Principate has to a written constitution, surviving on one bronze tablet in Rome. Verbatim text, translation, apparatus and a clause-by-clause commentary.公元后69–70年之罗马法律，将帝位连同其权力与特权授予皇帝维斯帕先——此为元首制最接近成文宪法之文献，传世于罗马之一件青铜板。附原文、译文、校勘与逐条笺注。