Apache website: http://www.apache.org/
Microsoft IIS website: http://www.microsoft.com/windowsserver2003/iis
IIS answers: http://www.iisanswers.com/
OWASP "top ten" vulnerabilities to check for when looking at your web server: http://www.owasp.org/index.php/OWASP_Top_Ten_Project
CGI security: http://www.cgisecurity.net/
Securing IIS: http://www.microsoft.com/technet/security/prodtech/IIS.mspx
Windows Server 2003 Security Guide: The web server role: http://www.microsoft..com/technet/security/prodtech/windowsserver2003/w2003hg/s3sgch09.mspx
Story about the history of the World Wide Web from Microsoft's perspective: http://www.microsoft.com/misc/features/features_flshbk.htm
General story about the history of the World Wide Web: http://www.computerworld.com/developmenttopics/websitemgmt/story/0,10801,73525,00.html