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.

November 2074
SundayMondayTuesdayWednesdayThursdayFridaySaturday
28
2074-10-28
TBD
29
2074-10-29
TBD
30
2074-10-30
TBD
31
2074-10-31
TBD
1
2074-11-01
TBD
2
2074-11-02
TBD
3
2074-11-03
TBD
4
2074-11-04
TBD
5
2074-11-05
TBD
6
2074-11-06
TBD
7
2074-11-07
TBD
8
2074-11-08
TBD
9
2074-11-09
TBD
10
2074-11-10
TBD
11
2074-11-11
TBD
12
2074-11-12
TBD
13
2074-11-13
TBD
14
2074-11-14
TBD
15
2074-11-15
TBD
16
2074-11-16
TBD
17
2074-11-17
TBD
18
2074-11-18
TBD
19
2074-11-19
TBD
20
2074-11-20
TBD
21
2074-11-21
TBD
22
2074-11-22
TBD
23
2074-11-23
TBD
24
2074-11-24
TBD
25
2074-11-25
TBD
26
2074-11-26
TBD
27
2074-11-27
TBD
28
2074-11-28
TBD
29
2074-11-29
TBD
30
2074-11-30
TBD
1
2074-12-01
TBD