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Library Building & Amenities Guide

Where to find things in the UMSL University Libraries (Thomas Jefferson, St. Louis Mercantile, and State Historical Society)

Security & Safety

DO NOT, under any circumstances, leave laptop computers or any valuables unattended in the Libraries. The Libraries are NOT responsible for lost or stolen laptops, personal computers, their components, or any other items.

Cell Phones in the Libraries

Please be respectful of others and keep calls brief.  Extended calls should be taken in the Café or the area inside the front doors.  If you are disturbing others, we may ask to you end your call or move to a different area.

Other Phones

  • A phone for local calls (314 area code) is located on Level 2 near the elevators.
  • Red phones are located throughout the libraries for on-campus calls (using four-digit campus extensions).