A review of library technological development and card catalog innovations of the past century and a half precedes a discussion of online public access catalog development. Design requirements and purpose of the online catalog, access techniques and provisions, costs, and future integration are highlighted. Twenty-two references are listed. (EJS)

Comparison of access through the traditional catalog and online systems focuses on functions of the library card catalog--to provide access to all of author's work including works whereby author is identified in nonidentical ways, and to present to user all editions and translations as representations of a given work. (EJS)