Useful web pages
The Encyclopédie can be found here.
You may like to look at the following web sites for background information:
Liberty, Equality, Fraternity: Exploring the French Revolution
http://www.diagnopsy.com/Revolution/
and you will find a range of primary material (newspapers, speeches, decrees etc) on Philippe Royet's site at http://www.royet.org/nea1789-1794/.
There are also over 170 Revolutionary pamphlets available here from the University of Alabama which can be searched for keywords.