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