This is the "LC Books" page of the "Call Numbers: LC and Dewey Decimal" guide.
Alternate Page for Screenreader Users
Skip to Page Navigation
Skip to Page Content

Call Numbers: LC and Dewey Decimal   Tags: help  

Last Updated: Nov 19, 2012 URL: Print Guide RSS UpdatesEmail Alerts

LC Books Print Page

Library of Congress (LC) Classification Outline

The Library of Congress (LC) classification system is most often used in university libraries.  Items that have LC call numbers with letters beginning before U are mainly located on the fifth floor of Morris Library. Items that have LC call numbers at the end of the alphabet are mainly located on the fourth floor of Morris Library  Dewey books are stored at the basement.


A --  General works

B --  Philosophy Psychology. Religion

C --  Auxiliary sciences of history

D --  History: General and Old World

E  --  History: America

F --   History: America

G --  Geography.  Anthropology.  Recreation.

H --  Social sciences

J --   Political science

K --  Law

L --   Education

M --  Music and books on music

N --   Fine arts

P  --  Language and Literature

Q --   Science

R --   Medicine

S --   Agriculture

T --   Technology

U --   Military science

V --   Naval science

Z --   Bibliography.  Library science.  Information Science



    How to Read Library of Congress (LC) Call Numbers

    Read the first line in alphabetical order:
    A, B, BF, C, D... L, LA, LB, LC, M, ML...

    Read the second line as a whole number:
    1, 2, 3, 45, 100, 101, 1000, 2000, 2430...

    The third line is a combination of a letter and numbers. Read the letter alphabetically. Read the number as a decimal, eg:
    .C65 = .65 .C724 = .724

    Some call numbers have more than one combination letter-number line.

    The last line is the year the book was published. Read in chronological order:
    1985, 1991, 1992... 


      Ask A Librarian

      Profile Image
      We're Here to Help!
      There seems to be something wrong with your browser. Please try reloading this page.

      Contact Morris

      Morris Library
      Southern Illinois University
      Carbondale, IL 62901
      Information Desk: (618) 453-2818
      Administrative Office: (618) 453-2522
      Circulation Desk: (618) 453-1455

      Web Administrator


      © 2014 SIU Board of Trustees


      Loading  Loading...