Chapter V. Civilisation of the Regal Period
[b] Thomas Arnold, History of Rome.
[c] B. G. Niebuhr, The History of Rome.
[d] Titus Livius, The History of Rome (translated from the Latin by D. Spillan, C. Edmonds, and W. A. M’Devitte).
[e] Dionysius Halicarnassensis, The Roman Antiquities of (translated from the Greek by Edward Spelman).
[f] Polybius, Πραγματεία.
[g] Plinius, Historia Naturalis.
[h] E. Meyer, Geschichte des Alterthums.
[i] G. W. Botsford, A History of Rome.
[j] W. J. Soltau, Über Entstehung und Zusammensetzung der altrömischen Volksversammlungen.