Hours

We are working on getting CLIO up and running. Until then, all current affiliates can connect to CLIO via: http://resolver.library.columbia.edu/clio. 

Spring 2025 Hours

For after hours library help, chat with a librarian through the Columbia Libraries Virtual Reference Desk.

See Studying & Collaboration for information on study areas.

CU/BC ID Swipe is required to enter the Milstein Center building at all times as well as to exit the closed stairwells and use the elevator outside of Library Service Hours; please visit Accessing Barnard Campus for more information about whether and how you can access campus.

Prior to a holiday, the building closes at 4pm