Volume 1 — AUTHORITIES.
Reading edition
Rawlinson's Egypt and Babylon; History of Babylonia, by A.H. Sayce; Smith's Dictionary of the Bible; Rawlinson's Herodotus; George Smith's History of Babylonia; Lenormant's Manuel d'Histoire Ancienne; Layard's Nineveh and Babylon; Journal of Royal Asiatic Society; Heeren's Asiatic Nations; Dr. Pusey's Lectures on Daniel; Birch's Egypt from the Earliest Times; Brugsch's History of Egypt; Records of the Past; Rawlinson's History of Ancient Egypt; Wilkinson's Ancient Egyptians; Sayce's Ancient Empires of the East; Rawlinson's Religions of the Ancient World; James Freeman Clarke's Ten Great Religions; Religion of Ancient Egypt, by P. Le Page Renouf; Moffat's Comparative History of Religions; Bunsen's Egypt's Place in History; Persia, from the Earliest Period, by W. S. W. Vaux; Johnson's Oriental Religions; Haug's Essays; Spiegel's Avesta.
The above are the more prominent authorities; but the number of books on ancient religions is very large.