Dill: _Roman Society from Nero to Marcus Aurelius_, pp. 547-626.
Glover: _The Conflict of Religions in the Early Empire_, 3 ed., 1909.
Benn: _Greek Philosophers_, pp. 487-522. J. Reville: _La religion à
Rome sous les Sévères_, 1886. F. Cumont: _Textes et monuments relatifs
aux mystères de Mithra_, 2 vols., 1894-1900. The only treatment of
any of the oriental religions which takes fully into account the
monumental, epigraphical, and literary evidence. Id.: _Les mystères
de Mithra_, 2 ed., 1902; English translation, 1910; _Les religions
orientales dans le paganisme romaine_, 1907; English translation, 1911;
_Astrology and Religion among the Greeks and Romans_, 1912. J. Toutain:
_Les cultes païens dans l’empire romain_, II, 1 _Les cultes orientaux_,
1911. A valuable treatment of the oriental religions in the Latin
provinces. The geographical distribution of these religions in Britain,
the Gauls and Germanies, and in Spain has been discussed by C. H. Moore
in the following places: _Harvard Studies in Classical Philology_, XI,
pp. 47 ff.; _Transactions of the American Philological Association_,
XXXVIII, pp. 109 ff.; and in _Studies in the History of Religions
presented to C. H. Toy_, 1912. G. Showerman: _The Great Mother of the
Gods_, 1901. Hepding: _Attis_, 1903. G. Lafaye: _Histoire der culte des
divinités d’Alexandrie hors de l’Egypte_, 1884. R. Reitzenstein: _Die
hellenistischen Mysterienreligionen_, 1910.