• Libraries are open. Please check Morningside Campus Access Levels to ensure that you have access to campus before visiting. 
• Additionally, please check individual library hours before visiting. 
• Our Ask a Librarian service remains available from anywhere. 
• Please learn more about alumni privileges before visiting. 

• Library materials may be returned to any open library location or to the return bins outside of Butler Library; please check campus access updates before visiting. 

Most library materials are renewable online via your My Borrowing Account in CLIO. If you are trying to renew items that are non-renewable, such as Borrow Direct, Interlibrary Loan, or Course Reserves materials, please contact circulation@columbia.edu for assistance.

The C.V. Starr East Asian Library is temporarily closed for construction. Learn more here. 

The Arthur W. Diamond Law Library will be closed for renovation beginning in May 2024. More information about that renovation can be found on the Law School’s website.

For questions not answered here, please email lio@columbia.edu.