Forum Romanum
Outlines of Roman History: Institutions of Early Rome: The Early Roman Government
This article explains how early government of the Roman city-state evolved. The foundation of the government under the Roman Republic was established during the Roman monarchy.
Forum Romanum
Outlines of Roman History: Etruscan Kings of Rome: Traditions of the Later Kings
This article gives a description of the important later Etruscan kings. The history is still based on legend, but the influence of the Etruscan people can be seen in the development of Rome.
Yale University
Avalon Project at Yale Law School: Laws of the Kings, 753 510 Bc
An comprehensive listing of the Laws of the Kings, the laws set down by the seven kings of Rome during the monarchy.