1. Aaboe, Asger (1972). “Remarks on the Theoretical Treatment of Eclipses in Antiquity.” Journal for the History of Astronomy 3: 105–118. (For a general discussion of ancient understanding of eclipses.)
2. Dicks, D. R. (1959). “Thales.” Classical Quarterly 53, n.s., 9: 294–309.
3. Hartner, Willy (1969). “Eclipse Periods and Thales’ Prediction of a Solar Eclipse: Historic Truth and Modern Myth.” Centaurus 14: 60–71. (Reprinted in Hartner, Oriens-Occidens, Vol. 2, pp. 86–97. Hildesheim: Georg Olms, 1984. [On Thales’s purported eclipse prediction.])
4. Hetherington, Norriss S. (1987). Ancient Astronomy and Civilization. Tucson: Pachart Publishing House.
5. — (1993). “Early Greek Cosmology.” In Encyclopedia of Cosmology: Historical, Philosophical, and Scientific Foundations of Modern Cosmology. New York: Garland, pp. 183–188.