The document provides an overview of several tools for finding information in a library setting, including catalogs, bibliographies, indexes, abstracting services, and search engines. It defines each tool and provides brief examples. Catalogs are lists of library holdings that can be online or in card form. Bibliographies are lists of references at the end of articles or books. Indexes and abstracting services allow searching periodical literature and can include abstracts. Databases may index articles or provide full text. Search engines help users find web-based information.