BIBLIOGRAPHY: Boissier, _La religion romaine d'Auguste aux Antonins_,
especially Bk. II, ch. II.--Jean Réville, _La religion à Rome sous les
Sévères_, Paris, 1886.--Wissowa, _Religion und Cultus der Römer_, Munich,
1902, pp. 71 ff., 289 ff.--Samuel Dill, _Roman Society from Nero to Marcus
Aurelius_, London, 1905.--Bigg, _The Church's Task Under the Roman Empire_,
{219} Oxford, 1905.--Cf. also Gruppe, _Griech. Mythologie und
Religionsgeschichte_, 1906, pp. 1519 ff.--Wendland, _Die
hellenistisch-römische Kultur in ihren Beziehungen zum Judentum und zum
Christentum_, Tübingen, 1907, pp. 54 f.--The monographs will be cited in
connection with the different cults which they treat.
1. _Mélanges Fredericq_, Brussels, 1904, pp. 63 ff. (_Pourquoi le latin fut
la seule langue liturgique de l'Occident_); cf. the observations of Lejay,
_Rev. d'hist. et litt. relig._, XI, 1906, p. 370.