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Letters, a number, then a decimal cutter and a year.
Also known as: LC call number, Library of Congress classification, Call number, Letters then numbers on a spine
An LC call number begins with one to three letters for subject class, a number for subdivision, then a cutter number derived from the author's name and usually a year. It is a shelf address built from a classification, so books on a subject sit together.
Denotes a Library of Congress classification call number: subject class letters, a class number, one or more cutter numbers and usually a date.
Contexts: History
Places books on the same subject physically together, since the classification determines the shelf position rather than an accession order.
Contexts: History
Derives its cutter number from the main entry — usually the author's surname — which is why the third element varies by book rather than by subject.
Contexts: History
Is used by most academic libraries in North America and by many elsewhere, in place of the Dewey system used by most public libraries.
Contexts: History
One to three capital letters, a numeral, a full stop followed by a letter and digits, and a four-digit year, set on separate lines on a spine label.