The library has acquired Web of Science, a unique citation search database covering all disciplines. The Web of Science provides seamless access to current and retrospective information from approximately 8,700 of the most prestigious, high impact research journals in the world. Web of Science also provides a unique search method, cited reference searching. For example, the 1,307 entries for Hope College authors have been cited 10,344 times. Web of Science consists of Science Citation Index, Social Sciences Citation Index and Arts & Humanities Citation Index with back-files to 1977. Users can set up citation alerts to receive email when particular authors are cited or table of contents alerts when new issues of a journal are published.