- CyberStacks(sm) Welcome To CyberStacks(sm)! CyberStacks(sm) is a centralized, integrated, and unified collection of significant World Wide Web (WWW) and other Internet resources categorized using the Library of Congress classification scheme. Resources are organized under one or more relevant Library of Congress class numbers and an associated publication format and subject description. The ...www.public.iastate.edu/~CYBERSTACKS