American-Israeli Cooperative Enterprise
Jewish Virtual Library: Rabbi Samson Raphael Hirsch
Great site! Provides biographical information on Hirsch. Also discusses his major beliefs and teachings.
University of Calgary
University of Calgary: s.r. Hirsch: "Religion Allied to Progress"
This essay is written by Hirsch himself. He defends Orthodox Judaism and discusses his beliefs on religion.
Other
The Ninteen Letters
This site discusses the basic teachings of The Ninteen Letters. Provides excerpts from the Ninteen Letters.