I. Early Roman Religion: Bailey, C., _The Religion of Ancient Rome_;
Carter, J. B., _The Religion of Numa_; _The Religious Life of Ancient
Rome_, ch. i; Fowler, W. Warde, _The Roman Festivals_; _The Religious
Experience of the Roman People_, Lectures, i–xii; Mommsen, _History of
Rome_, i, chap. xii; Wissowa, G., _Religion und Kultus der Römer_, pp.
15–54.
II. Early Roman Society: Heitland, W., _Roman Republic_, i, chs. vi and
xii; Fowler, W. Warde, _Rome_, ch. iii; Launspach, C. W. L., _State and
Family in Early Rome_, ch. xi.