![]() ![]() Read the fourth line as a whole number it is the publication year of the item.īefore you go to the shelves, to look for your book, first determine in which part of the collection the book is located.Read the third line alphabetically, then by decimal number.Read the second line as a whole number.Read the first line in alphabetical order.The call number is the same, whether written in four lines on the side of a book or in one line in the catalog. Note that in the catalog, the call number will usually be displayed as one line: PR 2848. This is how the call number will appear on the spine of the book. Read the call number line by line, top to bottom. Let’s take a look at how call numbers are composed. Read more about how the Library of Congress system works. Remember, books are shelved according to a subject and call numbers to tell you where to find the book on the shelf. Additional codes indicating information about the author and publication year are added to the subject code and you have a call number. The 21 main classes are further subdivided into specific subject areas, which have also been assigned alpha or numeric codes. ![]() For example, the letter K is assigned to Law, so books about Law will be found in the K section of the library. ![]() The Library of Congress Classification System divides areas of knowledge into 21 main classes, assigning letters to each class. These call numbers are like addresses, telling you where to find the book in the library.Ĭall numbers use a combination of letters and numbers to arranged books according to a subject. When books are cataloged, they are assigned a call number. Our library, like many academic libraries, uses the Library of Congress Classification System to organize library materials. ![]()
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