First, check the LOCATION in the catalog record.
Some records say which Level to find the item.
Like this: Location: Babbidge Media Video Disc-Level 1

If it says simply Babbidge Library, use this chart.

EXAMPLE: HQ1233 .D68 2010
Starts with "H": book on 2 South.

LIBRARY of CONGRESS LOCATION (Storrs)
Call Number Begins with:
A	General Works	Level A
B	Philosophy, Psychology, Religion	4 N
C	History: Auxiliary Sciences	4 S
D	History: General and Old World	4 S
E	History: United States	4 S
F	History: Western Hemisphere	4 N
G	Geography, Anthrop., Recreation	4 N
H	Social Science	2 S
J	Political Science	2 S
K	Law	Level A
L	Education	2 S
M	Music	Music Building
N	Fine Arts	Art Library 2 N
P	Literature & Languages	4 N
PZ	Misc. Lit./ Juvenile Fiction	Level A
Q	Science	2 N
R	Medicine	2 N
S	Agriculture	2 N
T	Technology	2 N
U	Military Science	Level A
V	Naval Science	Level A
Z	Bibliography & Library Sci.	Level A
Books noted as "Oversize" will be on North side of same Level.