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.

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