Classification : class N : fine arts.
Library of Congress.Subject Cataloging Division.
Perley, Clarence W.(Clarence Warner),1867-1946.
Library of Congress.Classification Division.Classification.Class N: Fine arts.
Washington : Library of Congress,
1962.
With supplementary pages ["Additions and changes to April 1960"]
Preface to present edition signed: Clarence W. Perley, chief of Classification division.
Includes indexes.
Classification