This review of the research on the use of card catalogs and online catalogs highlights research methodologies and significant findings. Discussion of the results focuses on user needs and satisfaction, and the need to separate bibliographic practices that are universally sound from those that are an adaptation to the medium. (CLB)

Reports measures of the gains in search time and likelihood of success in known-item searches with the Acorn automated catalog at Vanderbilt University. User time and search success are valued in dollar terms to make the measures meaningful for system design choices. (Author/CLB)