Room 420 is located at the southwest corner of the Fourth Floor Reading Room.
| HOURS | |
|---|---|
| Academic Year | |
| Monday - Thursday | 9 am - 7 pm |
| Friday | 9 am - 5 pm |
| Saturday | 1 pm - 5 pm |
| Sunday | 1 pm - 5 pm |
| Summer and Interim Sessions | |
|
Monday - Friday
|
9 am - 5 pm
|