The Health Sciences Library's Service Desk is located within the Knowledge Center on the lobby level of the Hammer Building. All of our clientele are welcome to use the Health Sciences Library during our staffed hours. Outside of the staffed hours, the Library is closed and only individuals with active CUMC IDs have card swipe access. See our Access Policy for more details.

Staffed Hours

 Monday - Thursday  9 am to 7 pm
 Friday  9 am to 5 pm
 Saturday  CLOSED
 Sunday  Noon to 8 pm

All circulation transactions should be completed at least 15 minutes before the end of staffed hours. At the end of staffed hours, library staff will check IDs. Clientele without a CUMC ID will be asked to leave. The Knowledge Center space will remain open for 24-hour access via card swipe to CUMC students, faculty, and full-time staff only.

The Columbia University Libraries website lists hours for the Morningside campus locations.

Holiday Closings

The service desk will be closed for the following holiday periods during the 2017/2018 academic year.  The Knowledge Center space will remain accessible via card swipe to CUMC students, officers, and full-time staff.

Labor Day September 3-4, 2017
Election Day November 7, 2017 (desk open 12pm to 5pm)
Thanksgiving November 23-26, 2017
Christmas December 22-25, 2017
New Year's Day December 29, 2017 - January 1, 2018
Martin Luther King, Jr.'s Birthday January 15, 2018
President's Day February 19, 2018
Memorial Day May 28, 2018
Independence Day July 4, 2018

Scheduled Cleaning

The Knowledge Center closes one Friday each month for cleaning.

Friday November 17, 2017
Friday December 22, 2017
Friday January 12, 2018
Friday February 23, 2018

Interlibrary Loan (ILL)

Monday - Friday, 9:00 am to 5:00 pm.

Archives & Special Collections

Monday - Friday, 9:15 am to 4:45 pm, by appointment only. Telephone and email reference are available. Please contact the Archives & Special Collections at hslarchives@columbia.edu for more information.