Readers interested in discovering more about hypertext should see [Bush 45] and the special issue of the CACM devoted to hypertext [CACM 88].
Information on the Web's history and growth can be found primarily on the Web. We used [Berners-Lee 96a], [Gray (http://www.mit.edu/people/mkgray/net)], and [Zakon (http://www.zakon.com/robert/internet/timeline)].
Much of the detail about libWWW comes from the W3C Reference Library at http://www.w3.org/pub/WWW/Library.
For a good general discussion of network security issues and cryptography, including all aspects of Web security, see [Stallings 99]. A good discussion of performance issues in e-commerce systems may be found in [Menasce 00].
The architectural style used in Web-based applications is treated in [Fielding 96]. A comparison of modern Web server patterns may be found in [Hassan 00], from which we adapted the client-server architecture shown in Figure 13.5.
Netcraft's May 2001 survey of Web server usage can be found at http://www.netcraft.com/survey/.