Discussion of planning, installation, and results of an online catalog at University of Maryland Health Sciences Library highlights Integrated Library System, speed and patron perceptions of online catalog, searching power, ways in which catalog can bypass physical and organizational boundaries, and effect on staff and users of the library. (EJS)

Effects of computerized systems in libraries are explored in five articles. The first discusses reasons why maintaining a collection of resources is strengthened rather than weakened by the existence of online databases. The remaining four describe the implementation and use of microcomputers in high school, elementary school, and academic…