Restrooms:
The St. Louis Mercantile Library is located on Level 1 and Level 2 of the Thomas Jefferson Library. The University Archives are also currently handled by the Mercantile Library staff.
The State Historical Society of Missouri–Saint Louis Research Center is located on Level 2 of the Thomas Jefferson Library.
Note: The Ward E. Barnes Library was merged into the Thomas Jefferson Library in May 2014.
Books A–D and F, COM1, additional Mercantile exhibits, carrels and tables
St. Louis Mercantile Library, reference materials, COM2 South (compact shelving, includes COM2 South, COM2 South PER, COM2 South MISC, Oversize, Folio, Curriculum, and Books E and ML410–N6250), children’s books (juvenile collection), government documents, folio and oversize books, University Archives, State Historical Society of Missouri Research Center–St. Louis, tables
Entrance, Public Service Desk (reference and circulation), Café TJ (not serving customers but open as study space), new books and best sellers, printer and scanner, microform reader, study tables
Books G–QC, study carrels and tables (silent from 3pm through close Monday through Friday and all day Saturday and Sunday), scanner
Books QD–Z, microform
(Entire level is currently closed to patrons, but will reopen when renovation on that level is complete. In the meantime, books and microform can be requested.)