Burkert, Walter. Lore and Science in Ancient Pythagoreanism, translated by Edwin L. Minar, Jr. Cambridge: Harvard University Press, 1972, 535 p.
Book-length survey of the sources of Pythagoreanism, criticism of the movement, and the overall significance of Pythagorean thought.
Burnet, John. "Pythagoras." In Greek Philosophy, Part I: Thales to Plato, pp. 37-56. London: Macmillan and Co., 1920.
Overview of Pythagorean thought on medicine, music, and number theory. Burnet was among the first to discern the disparate traditions of Pythagoras as a mystic and as a scientist-philosopher.
——."Science and Religion" and "The Pythagoreans." In Early Greek Philosophy, pp. 80-129, 276-309. New York: Meridian Books, 1957.
Recounts information about Pythagoras's life and examines his influence on Greek philosophical thought.
Kirk, G. S., J. E. Raven, and M. Schofield. "Pythagoras of Samos." In The Presocratic Philosophers: A Critical History with a Selection of Texts, pp. 214-38. Cambridge: Cambridge University Press, 1957. Second Edition, 1983.
Investigates early evidence relating to Pythagoras and the Pythagoreans in the texts of Plato, Aristotle, Herodotus, and other writers of ancient Greece.
Minar, Edwin E., Jr. Early Pythagorean Politics in Practice and Theory. Baltimore: Waverly Press, Inc., 1942, 143p.
Historical analysis of Pythagoreanism and its political impact on ancient Greece and Italy.
Morrison, J. S. "Pythagoras of Samos." The Classical Quarterly VI n.s., Nos. 3 & 4 (July-October 1956): 135-56.
Reconstructs the thought of Pythagoras from evidence provided by his contemporaries and later Pythagoreans.
Philip, J. A. Pythagoras and Early Pythagoreanism. Toronto: University of Toronto Press, 1966, 222p.
Explores the influence of Pythagoreanism—in such areas as cosmology, astronomy, number theory, and reincarnation—on the subsequent philosophical thought of Greek antiquity.
Thorn, johan C. The Pythagorean 'Golden Verses': With Introduction and Commentary. Leiden: E. J. Brill, 1995, 277p.
Formal and historical commentary on the Golden Verses, a moral-religious poem from the era of Hellenistic Pythagoreanism.