Ask a Librarian

Visit us to receive in-person reference and research assistance. Please note that hours vary by library.
Select a library

Make an appointment to meet with a librarian subject specialist for a consultation about your library research.

Call us at (212) 854-7309 for general library information, or contact an individual library.

E-mail your reference question and to request research assistance.

Text us from your mobile phone at (215) TEXT-CUL or (215) 839-8285. More info

IM us at askuscolumbia via AOL, Google, MSN, or Yahoo!, or chat with us via the adjacent chat box.

Related Services

Ask a Librarian services are complemented by a variety of other library services, such as:

We also offer a variety of library classes and instructional workshops to help you with your research needs.

We welcome questions relating to Columbia's collections and services from those not currently affiliated with Columbia. For more information, visit our reference information page or contact the appropriate library.

To report a problem with an e-resource, please use the E-Resource Problem Report Form.

Service Restrictions

Use of Ask a Librarian services is limited to Columbia University faculty, students, staff, and alumni; and to those with questions specific to the Columbia University Libraries, the use of its collections, and its policies. If you’re not affiliated with Columbia University, please direct your query to your local public, state, or academic library.