7 links
A Commentary and Review of Montesquieu's Spirit of Laws
econlib.org
An 1811 commentary by Destutt de Tracy, from the English translation by Thomas Jefferson.
Baron de Montesquieu, Charles-Louis de Secondat
plato.stanford.edu
Scholarly study of this key Enlightenment thinker by Hilary Bok. From the Stanford Encyclopedia of Philosophy.
Catholic Encyclopedia: Montesquieu, Charles-Louis de Secondat, Baron de
newadvent.org
Detailed study of this writer's intellectual career, by Antoine Degert.
Free Speech Philosophers: Baron de Montesquieu
uark.edu
Outline of certain points in Montesquieu's teachings about liberty.
Liberal Thinkers: Charles de Montesquieu
liberal-international.org
A short biography from the site of Liberal International.
Wikipedia: Charles de Secondat, Baron de Montesquieu
en.wikipedia.org
Entry from this open encyclopedia.