What if a patron wants to find books on a certain subject?

Library of Congress Classification: A

A     General Works

AC: Collections

AE: Encyclopedias

AG: Dictionaries

AI: Indexes

AM: Museums

AN: Newspapers

AP: Periodicals

AS: Academies and learned societies

AY: Yearbooks, Almanacs, Directories

AZ: History of scholarship, the humanities

**Please note that many (though not all) of these call numbers will be in the Reference section on the first floor or the periodicals section on the second floor instead of the lower level.