Hypertext systems are particularly useful for organizing and browsing through large databases that consist of disparate types of information. There are several Hypertext systems available for Apple Macintosh computers and PCs that enable you to develop your own databases. Such systems are often called authoring systems . HyperCard software from Apple Computer is the most famous.

Style guide for online hypertext 
This style guide, from the World Wide Web Consortium, provides links to several elements to be considered when creating online documentation. Elements discussed are document structure, layout and format, testing, and background information and resources.

Hypertext FAQ
Contains answers to frequently asked questions about hypertext from the alt.hypertext newsgroup.

Yahoo!'s hypertext theory page
Yahoo!'s directory of hypertext theory.