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MOL: Master of Organizational Leadership: Searching for Books & Articles

A guide for students enrolled in the SAU Master of Organizational Leadership Program

Off-campus access to SAU Library Resources

Students, faculty and staff can access SAU Library resources off-campus by going to https://libguides.sau.edu/az.php

When you click on a database name, you will be prompted to enter your SAU network credentials.

 

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How to find books in Library Central

Understanding Call Numbers for locating books on the shelf

Books in the SAU Library are organized on the shelves according to Library of Congress (LC) Classification. LC Classification was originally designed to sort books at the Library of Congress and developed specifically with reference to the published literature in each subject area in that collection. Today it is used widely to organize collections in American academic and research libraries.

The basic outline of LC classification divides the entire field of knowledge into main classes that correspond largely to academic disciplines or areas of study. Main classes are denoted by single capital letters:

A generalities  M  music
B phil., psych., religion   N fine arts
C auxiliary sciences of history P philology and literature
D history, general/old world Q science
E-F history, America R medicine
G geography, anthropology S agriculture
H social sciences T technology
J political science U military science
K law V naval science
L education Z bibliography, library science


The main classes are in turn divided into subclasses, designated by double or triple capital letters, representing branches of the major disciplines. The outline of the individual classes have been developed separately for each subject area. Class M, Music, for example, was first published in 1902 and consists of three principal parts: Music, ML Literature on Music, and MT Musical Instruction and Study, largely the work of Oscar G. Sonneck, Chief of the Division of Music at the Library of Congress. Nevertheless, the various classes are unified by a number of principles, most notably in the patterned structure of the notation, or call numbers, used to identify each class and the individual items within each class.

Elements of a Call Number

Each book or score in the  Library is uniquely identified by a set of letters and numerals known as a call number (sometimes also called a shelf mark). Call numbers generally consist of two or three elements: an LC class number followed by a tag known as the Cutter number (or book number) and often a date.

Call number = class number + Cutter number(s) ( + date)

The class number begins with one or more capital letters representing a branch of a subject classification in LC, the broad neighborhood of items related by subject, discussed above. Within each main class or subclass, the integers 1-9999 (some with decimal extensions) are added to identify further subject subdivisions, defining the subject matter of the item more finely. The same combination of letter(s) and numerals is given to all individual items in the same subject class area.

After the first combination of letter(s) and numerals identifying the subject class another combination follows, known as the Cutter number. Named after Charles A. Cutter, who developed an alphanumeric code that forms the basis of the number, this second letter/number combination places an individual item in alphabetical order within its LC subject class (usually by the first letter of an author's last name, though it may sometimes also represent some other information about a work such as a further subject subdivision). In order to assure the Cutter number is unique a date often follows. Thus, the two parts of the call number serve two very different functions: the first part (class number) organizes knowledge by subject and the second part (Cutter number[s] + date) acts as a shelving device for arranging individual items within subject classes.

For example, the following item from the Music Library:

Moroney, Davitt. Bach: An Extraordinary Life. (London: Associated Board of the Royal Schools of Music, 2000).

has been assigned the call number ML410.B1.M67 2000, where ML410 is the LC class number and .B1.M67 are the Cutter numbers.

call number = ML410 class number +
.B1 .M67 Cutter number(s) +
2000 date


The meaning of the LC call number can be analyzed part by part:

ML410 is the classification for composer biographies: ML represents Music Literature, a subclass of class M Music. The number 410, which is added to ML, represents Biography (by composer last name), itself a subdivision of the group of numbers representing History and Criticism under Music Literature.

The remainder of the notation, .B1 .M67 2000, is added to the class number in order to distinguish the specific item by Davitt Moroney from all other items within the class of items at ML410. In this case, .B1 .M67 is a "double cutter," where .B1 may be seen to form part of the class number, or an extension of it, because it is a subdivision of Biography referring to books on J.S. Bach. Since all biographies of J.S. Bach are given the number ML410.B1, a second Cutter, .M67, is added to refer specifically to Moroney’s biography of Bach. Together, the class number and the book number form a unique call number—an address that communicates information about the subject of an item and where a specific item may be found within (an alphabetical list of similar items in) its subject class.

In using a call number to locate a book on the shelf, consider each component of the call number in turn before moving on to the next segment. Each element of the call number is read is a different manner—the class letters alphabetically, the class number as a whole number (with possible decimal extension), and the Cutter as a decimal. For example, the following call numbers are in the order they should appear on the shelves:

M
1
.D15
1990
ML
881
.D2
1988
ML
881
.D2
1993
MT
1
.D15
MT
76
.D29
v.2
MT
76
.D4
v.1

 

Based on Lois Mai Chan, Immroth’s Guide to the Library of Congress Classification, 3rd ed., (Littleton, Col.: Libraries Unlimited, 1980).

 

Implications for Research

Since books on similar subjects are kept together by class number you can use the LC Classification, the first part of the call number, to browse library shelves for information in your area of interest. Looking for books in the same or nearby class number can turn up related material in a particular subject. When looking for specific materials (a certain author or title, for example) you should use the library catalog,