Library of Congress ClassificationBooks are arranged in the library according to their subject. Because it would be impossible to describe the subject in words on the spine of each book, libraries use codes for these subjects. These codes are called "call numbers," and the system of call numbers is called a "classification scheme."
Some libraries (especially public libraries) use the Dewey Decimal classification scheme. At Helmke Library (as in many academic libraries), we use the Library of Congress Classification scheme, or LC Classification for short. For detailed information about LC classes and subclasses, see the Library of Congress Classification Outline.
Library of Congress Classification at IPFW Helmke LibrarySigns on shelves throughout the library detail the call numbers and subject descriptions in use at IPFW Helmke Library. The following document summarizes current usage:
Elements of an LC Call Number
Call numbers in this scheme consist of combinations of letters and numbers. The first row of letters and numbers represents a subject area. The second row generally derives from the author's last name. Succeeding letters and numbers can be used to represent the title, the edition, or numbered items within a series.
Works of fiction are classed according to their country of origin in the P section of the LC Classification scheme. Biographical works are classed with other books in their respective subject areas.
Shelving Locations at Helmke LibraryCall numbers for materials on the same subject will be similar, whether the items are books that can be checked out (shelved in Stacks), reference books to be used in the library (shelved in Reference or Science Reference collections), or journals, magazines, periodicals, and other serial publications (shelved in Periodicals).
Use these guides to find materials in the library, or ask for assistance at the Service Desk:
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