Library of congress subject headings : prepared by the cataloging policy and support office library services - library of Congress, Cataloging Distribution Service (Washington : Library of Congress, 2004)
This books are published of 27th edition in five volume and 20th edition published in four volume,Library has 20th edition upto four volume and 27th edition upto five volume, 20th edition published in the year of 1997
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Keywords: SUBJECT HEADINGS-LIBRARY OF CONGRESS