Symbols of American libraries - U.S. Library of Congress. Union Catalog Division (Washington Library of Congress, 1969)
10th ed.-
Symbols used in the National union catalog of the Library of Congress.
Earlier vols. issued with title: Symbols used in the National union catalog of the Library of Congress and other union catalogs.
Keywords: Libraries -- United States -- Abbreviations -- Periodicals; Libraries -- Canada -- Abbreviations -- Periodicals