Reference & Research Drop-In Help

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

Please also see related drop-in services in Butler and Lehman Libraries:

For information about services at all other Columbia University Libraries locations, please see the building hours calendars.

February 2075
SundayMondayTuesdayWednesdayThursdayFridaySaturday
27
2075-01-27
TBD
28
2075-01-28
TBD
29
2075-01-29
TBD
30
2075-01-30
TBD
31
2075-01-31
TBD
1
2075-02-01
TBD
2
2075-02-02
TBD
3
2075-02-03
TBD
4
2075-02-04
TBD
5
2075-02-05
TBD
6
2075-02-06
TBD
7
2075-02-07
TBD
8
2075-02-08
TBD
9
2075-02-09
TBD
10
2075-02-10
TBD
11
2075-02-11
TBD
12
2075-02-12
TBD
13
2075-02-13
TBD
14
2075-02-14
TBD
15
2075-02-15
TBD
16
2075-02-16
TBD
17
2075-02-17
TBD
18
2075-02-18
TBD
19
2075-02-19
TBD
20
2075-02-20
TBD
21
2075-02-21
TBD
22
2075-02-22
TBD
23
2075-02-23
TBD
24
2075-02-24
TBD
25
2075-02-25
TBD
26
2075-02-26
TBD
27
2075-02-27
TBD
28
2075-02-28
TBD
1
2075-03-01
TBD
2
2075-03-02
TBD