Michigan State University
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Some areas of the Main Library are now open 9am-5pm, Monday-Friday and 12pm to 5pm on Saturday and Sunday. These areas include main-floor access to Circulation as well as our study and computing space on 1 East with access to MSU printing. Capacity for the study space is 50 people. We also now have touchless lockers, where you may pick up materials. Outside of safety, our top priority is to provide access to all of our collections. We continue to offer virtual services. We also are paging materials and will continue to mail materials to faculty, staff, and students living off-campus. We encourage you to use our convenient distance services. Please see our Online and Distance Learning resource page for more information.

For Librarians

Learning SuDocs Call Numbers

This tutorial is designed to teach staff or student workers the SuDocs classification or call number system.  The first section, SuDocs Basics, gives a brief overview of the system and focuses on the three most important things to remember. The second section is an interactive quiz with multiple choice and true/false questions, where even wrong answers teach a lesson. In the third section, you can arrange call numbers in shelving order in four different call number sequences.

SuDocs Basics
SuDocs Call Number Quiz
Shelving Exercises


This interactive tutorial is sponsored by the Continuing Education Fund Working Group of the Education Committee of the American Library Association's Government Documents Round Table. Originally designed by Becky Fox, former staff member of the Michigan State University Libraries.