Stanford University
Stanford Encyclopedia of Philosophy: Saint Thomas Aquinas
This is a very detailed site about the life and the works of Saint Thomas Aquinas (1225-1274 CE). This site provides the reader with a brief biography, comparisons between Aristotle and Aquinas, commentary on Aquinas' work, and also a...
University of California
Ucmp: Aristotle
The life and philosophical treatises of Aristotle (384-322 BCE) are surveyed, including his writings on biology, zoology and physics.