Computer network resources -- Directories Internet addresses -- 2 Internet in library reference services 2 Administrative agencies -- 1 Computer network resources, handbook,manuals,etc 1 Directories -- 1 more ... Electronic reference services (Libraries) 1 Evaluation 1 Handbooks, manuals, etc 1 Internet -- 1 Internet searching 1 Serial publications -- 1 Web sites 1 Web sites -- 1 less ...