A common critique of the World Wide Web(WWW), and the Internet in general, is that while there are numerable and usefulness information sources that are accessible, identification of significant resources is not as efficient and effective as many desire. To facilitate access to selected WWW and other Internet resources, a prototype demonstration service called CyberStacks(sm) (http://www.public.iastate.edu/~CYBERSTACKS/) has been created that has adapted the classification scheme used by the Library of Congress and other major research libraries to identify and organize significant reference resources in a variety of scientific and technological disciplines.