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.

September 2073
SundayMondayTuesdayWednesdayThursdayFridaySaturday
27
2073-08-27
TBD
28
2073-08-28
TBD
29
2073-08-29
TBD
30
2073-08-30
TBD
31
2073-08-31
TBD
1
2073-09-01
TBD
2
2073-09-02
TBD
3
2073-09-03
TBD
4
2073-09-04
TBD
5
2073-09-05
TBD
6
2073-09-06
TBD
7
2073-09-07
TBD
8
2073-09-08
TBD
9
2073-09-09
TBD
10
2073-09-10
TBD
11
2073-09-11
TBD
12
2073-09-12
TBD
13
2073-09-13
TBD
14
2073-09-14
TBD
15
2073-09-15
TBD
16
2073-09-16
TBD
17
2073-09-17
TBD
18
2073-09-18
TBD
19
2073-09-19
TBD
20
2073-09-20
TBD
21
2073-09-21
TBD
22
2073-09-22
TBD
23
2073-09-23
TBD
24
2073-09-24
TBD
25
2073-09-25
TBD
26
2073-09-26
TBD
27
2073-09-27
TBD
28
2073-09-28
TBD
29
2073-09-29
TBD
30
2073-09-30
TBD