The following sources were consulted in the preparation of the article “13 ancient religions that no longer exist.”
- Golden Swords of the Early Nomads of Eurasia: A New Classification and Chronology
- Mesopotamian Deities
- Marduk (god)
- Thinking Hattusha: Astronomy and Landscape in the Hittite Lands
- The Hittite ‘Theogony’ or Song of Going Forth
- The Spread of the Cuneiform Culture to the Urartian North (IX–VII Century BCE)
- Tchogha Zanbil
- Ancient Near Eastern Texts Relating to the Old Testament
- The Betyls of Petra
- Palmyrene Religious Culture
- The bronze liver of Piacenza
- The Cultic Landscapes of Phrygia