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.

September 2020
SundayMondayTuesdayWednesdayThursdayFridaySaturday
30
2020-08-30
Closed
31
2020-08-31
Closed
1
2020-09-01
Closed
2
2020-09-02
Closed
3
2020-09-03
Closed
4
2020-09-04
Closed
5
2020-09-05
Closed
6
2020-09-06
Closed
7
2020-09-07
Closed
8
2020-09-08
Closed
9
2020-09-09
Closed
10
2020-09-10
Closed
11
2020-09-11
Closed
12
2020-09-12
Closed
13
2020-09-13
Closed
14
2020-09-14
Closed
15
2020-09-15
Closed
16
2020-09-16
Closed
17
2020-09-17
Closed
18
2020-09-18
Closed
19
2020-09-19
Closed
20
2020-09-20
Closed
21
2020-09-21
Closed
22
2020-09-22
Closed
23
2020-09-23
Closed
24
2020-09-24
Closed
25
2020-09-25
Closed
26
2020-09-26
Closed
27
2020-09-27
Closed
28
2020-09-28
Closed
29
2020-09-29
Closed
30
2020-09-30
Closed
1
2020-10-01
Closed
2
2020-10-02
Closed
3
2020-10-03
Closed
Columbia University Libraries
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Phone
212-854-7309
Contact Us
lio@columbia.edu
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