The fragments of the pre-Socratic philosophers are quoted from Diels:
_Fragmente der Vorsokratiker_, 2 vols., 3 ed., 1912; those of Euripides
from Nauck: _Tragicorum Graecorum Fragmenta_, 2 ed., 1889.
Adam: _Religious Teachers_, pp. 184-355. Campbell: _Religion in Greek
Literature_, pp. 291-337. Zeller: _Philosophie der Griechen_, I, 1^5,
pp. 521-552; I, 2^5, pp. 623-837; 968-1164; English translation,
_Pre-Socratic Philosophy_, II, pp. 1-206; 321-516. _Socrates and the
Socratic Schools_, pp. 39-236. Gomperz: _Griechische Denker_, I^2,
pp. 127-134; 168-204; 331-396; II^2, pp. 3-95; English translation,
I, 155-164; 208-254; 412-496; II, pp. 3-118. G. Grote: _History of
Greece_, chaps. 67-68. Burnet: _Early Greek Philosophy_, pp. 143-191;
227-318; _Greek Philosophy_, pp. 57-81; 105-192. Benn: _Greek
Philosophers_, pp. 65-143. Louis: _Doctrines religieuses_, pp. 1-95.
Decharme: _Critique des traditions religieuses_, pp. 43-63; 113-140;
_Euripide et l’esprit de son theâtre_, 1893; English translation by
James Loeb: _Euripides and the Spirit of his Dramas_, 1906. A. Verrall:
_Euripides the Rationalist_, 1895. W. Nestle: _Euripides der Dichter
der griechischen Aufklärung_, 1902.
V
Adam: _Religious Teachers_, pp. 356-460. On Plato by one of the best
of recent English Platonists. Zeller: _Philosophie der Griechen_, II,
1^4, pp. 389-982; II, 2^3, pp. 1-806; English translation, _Plato and
the Older Academy_, pp. 1-552; _Aristotle and the Early Peripatetics_,
I-II, pp. 1-347. Gomperz: _Griechische Denker_, II^2, pp. 203-533;
III^2, entire; English translation, II, pp. 249-397, III and IV,
entire. Burnet: _Greek Philosophy_: I, pp. 205-350. Benn: _Greek
Philosophers_, pp. 144-326. E. Caird: _The Evolution of Theology in
the Greek Philosophers_, I, pp. 58-382; II, pp. 1-30. 1904. Louis:
_Doctrines religieuses_, pp. 99-164. Decharme: _Critique des traditions
religieuses_, pp. 181-219; 233-242. Campbell, _Religion in Greek
Literature_, pp. 342-367.