Mercantile Library Hours
Rare Book and Manuscript Reading Room Hours
In observance of security procedures, certain services may not be available shortly before the daily closing time.
| Monday |
12:30 p.m. - 4:00 p.m. |
| Tuesday |
9:00 a.m. - 4:00 p.m.* |
| Wednesday |
9:00 a.m. - 4:00 p.m.* |
| Thursday |
9:00 a.m. - 4:00 p.m.* |
| Friday |
Closed |
| Saturday |
Closed |
| Sunday |
Closed |
*The reading room closes for lunch from 12:00 p.m. to 1:00 p.m. on Tuesdays, Wednesdays, and Thursdays.

Thomas Jefferson Library Hours - may vary according to semester
The St. Louis Mercantile Library is located in the same building as the Thomas Jefferson Library at the University of Missouri-St. Louis. Exhibitions can be viewed during normal Thomas Jefferson Library hours; all exhibitions are free and open to the public.
The following hours are in effect from Monday, August 19, 2013 to Sunday, May 18, 2014.
| Monday |
7:30 a.m. – 10:30 p.m. |
| Tuesday |
7:30 a.m. – 10:30 p.m. |
| Wednesday |
7:30 a.m. – 10:30 p.m. |
| Thursday |
7:30 a.m. – 10:30 p.m. |
| Friday |
7:30 a.m. – 5:00 p.m. |
| Saturday |
8:00 a.m. – 4:00 p.m. |
| Sunday |
12:00 p.m. – 8:00 p.m. |
ExceptionsSunday and Monday, September 1 & 2, 2013
Fall and Spring Breaks & Finals Hours Will Differ.
For Updates Go To:
http://www.umsl.edu/library
Questions about hours and holiday closings - Please call
(314) 516-7240 or (314) 516-7247