Spring semester brings changes to our reference service hours.  Reference librarians are here to help you:

11am – 1pm – Mondays through Fridays – meet with us in the Electronic Text Service (ETS) in Butler 305

We are available to help you in the Reference Room (Butler 301):
1pm – 9pm – Mondays and Tuesdays
1pm – 6pm – Wednesdays
1pm – 5pm – Thursdays, Fridays, Sundays

On Saturdays you can get basic reference help along with the usual technology support in the ETS, 1pm – 5pm

You can also reach us by phone, email or chat:
212-854-2241
ref-ref@columbia.edu
butlerreference

Have a question? Ask Us!