Categorization: Library of Congress Classification System

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Library of Congress Classification System

Transcript of Categorization: Library of Congress Classification System

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Library of Congress Classification System

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The Library of Congress

World’s largest libraryBuilt from Thomas Jefferson’s personal library

(1815) Also home to U.S. Copyright Office

Library of Congress

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Classification System

Allows for a logical organization of materials grouped by subjectSimilar to the scientific classification for animals or plants. Or the way groceries

are arranged in a store.

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College/ University libraries organize their resources differently

Dewey Decimal SystemK –12 & public libraries

Library of Congress (LC)

• College/ University libraries

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WHY LC?

98% of academic libraries in the United States use the Library of Congress (LC) classification scheme; it’s the “national standard”.

Because of the way it is structured, it more easily accommodates scientific and scholarly titles and more nimbly allows for the inclusion of new subjects.

LC makes finer distinctions among disciplines and subjects than Dewey, making it more likely that books on the same or similar topics will be found near each other. This will make it easier for you to find books on your topics.

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Dewey Decimal System

000-099 General Knowledge

100-199 Psychology & Philosophy

200-299 Religions & Mythology

300-399 Social Sciences & Folklore

400-499 Languages & Grammar

500-599 Math & Science

600-699 Medicine & Technology

700-799 Arts & Entertainment

800-899 Literature

900-999 History & Geography

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Library of Congress Classification

Alpha-Numeric SystemMajor Subject Headings are Alphabetical1st Line of the call number represents

one of the subject divisions of the system

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Basic Library of Congress Scheme

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Dewey vs. LC

Dewey Decimal System

300s –social sciences

Call number:

363

.70525

FR

Library of Congress System

• GE –environmental sciences

Call number:

GE

197

.F75

2008

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Reading the LC Call Number

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Reading the LC Call Number

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Reading the LC Call Number

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How to Find a Call NumberRead left to right, top to bottom

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How to Find a Call NumberRead left to right, top to bottom

K

58

M35X

1999

KF

49

C65

1998

KF

14

D55

X

KF

14.15

C35X

A2

KFK

1230

D12

2001

KFK

1230

D8

1994

49 may come before 58 BUT K comes before KF

C may come before D BUT 14 comes before 14.15

1994 may come before 2001 BUT .12 comes before .80

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F26M36 P142004

Which one comes first?

F264L14S222001

Example 1 Example 2

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ML3534.P371987

ML 3534 .F6 1986

Which one comes first?

Example 1 Example 2

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Which one comes first?

TG25N53S51983

TG25N53M321982

Example 1 Example 2

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Which one comes first?

PS3511.19 Z86.34

PS3511.19Z86.112

Example 1 Example 2

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Location Designations

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Location Designations

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How are books in college and university libraries organized?

BY SUBJECT, USING THE

LIBRARY OF CONGRESS

CLASSIFICATION SYSTEM

Key point: