American Society for Eighteenth-Century Studies http://asecs.press.jhu.edu/
Centre for Reformation and Renaissance Studies http://www.crrs.ca/
Humanism: Seeking the Wisdom of the Ancients; Vatican exhibit http://www.metalab.unc.edu/expo/vatican.exhibit/exhibit/c-humanism/Humanism.html
The Labyrinth: Resources for Medieval Studies, sponsored by Georgetown University http://www.georgetown.edu/labyrinth
The Luminarium: Three sections: Medieval, Renaissance and 17th Century Literature http://www.luminarium.org/lumina.htm
The Online Reference Book for Medieval Studies, ORB http://the-orb.net
Renaissance Society of America http://www.rsa.org/