Lucius Annaeus Seneca (c. 5 BC - AD 65) - History of Vegetarianism - Excerpts from Seneca's writings in which he explains how he became acquainted with Pythagoras' avoidance of animal flesh and how the theory of transmigration of souls is the basis for the Greek philosopher's diet.
Seneca - A biography of the Roman tragedian Lucius Annaeus Seneca and analysis of his works; includes a list of related links.
Seneca: A Thinker for Our Times - An overview of Seneca's life, death, and his significance for the history of philosophy from About.com.
Seneca and Stoicism - Background information, other philosophers, and select texts.