Butler Library Reference Services

Check hours for: Butler Library Building Hours

Reference or research drop-in help from a team of the Libraries' subject experts.

Walk-in help is available in the Butler 3rd-floor lobby (across from the Circulation Desk) during the hours listed below. You can also contact reference librarians online by using our Ask a Librarian service.

May 2021
SundayMondayTuesdayWednesdayThursdayFridaySaturday
25
2021-04-25
Closed
26
2021-04-26
Closed
27
2021-04-27
Closed
28
2021-04-28
Closed
29
2021-04-29
Closed
30
2021-04-30
Closed
1
2021-05-01
Closed
2
2021-05-02
Closed
3
2021-05-03
Closed
4
2021-05-04
Closed
5
2021-05-05
Closed
6
2021-05-06
Closed
7
2021-05-07
Closed
8
2021-05-08
Closed
9
2021-05-09
Closed
10
2021-05-10
Closed
11
2021-05-11
Closed
12
2021-05-12
Closed
13
2021-05-13
Closed
14
2021-05-14
Closed
15
2021-05-15
Closed
16
2021-05-16
Closed
17
2021-05-17
Closed
18
2021-05-18
Closed
19
2021-05-19
Closed
20
2021-05-20
Closed
21
2021-05-21
Closed
22
2021-05-22
Closed
23
2021-05-23
Closed
24
2021-05-24
Closed
25
2021-05-25
Closed
26
2021-05-26
Closed
27
2021-05-27
Closed
28
2021-05-28
Closed
29
2021-05-29
Closed
30
2021-05-30
Closed
31
2021-05-31
Closed
1
2021-06-01
Closed
2
2021-06-02
Closed
3
2021-06-03
Closed
4
2021-06-04
Closed
5
2021-06-05
Closed
Columbia University Libraries
535 West 114th St. New York, NY 10027
Phone
212-854-7309
Contact Us
lio@columbia.edu
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