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.

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