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Library Building Guide

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


Restrooms are located on every floor.

  • Restrooms on Levels 1 and 3 are wheelchair accessible.
  • On Level 3, the Women's restroom is located down the hall past the Public Service Desk. The Men's Room is located down the hall past Café TJ.
  • On Levels 4 and 5, restrooms are located along the front (south) wall of the library.
  • Please see the floor plans for restroom locations on Levels 1 and 2 .

Library Floor Plans

Floor Description
Level 5 Books QD - Z, Periodicals, Microform, Study Rooms, Curriculum & Children's Books, Scanner, Tables.
Level 4 Books G - QC, Silent Study Area (with Tables and Carrels)
Level 3 Entrance, Public Service Desk (Reference & Circulation), Café TJ, Research Commons/Computer Lab, Copier & Scanner, Instruction Room (Room 315), Tables
Level 2 St. Louis Mercantile Library, COM2, Government Documents, Folio and Oversize Books, Tables, State Historical Society of Missouri Research Center - St. Louis
Level 1 Books A - F, COM1, Additional Mercantile exhibits, Carrels and Tables