Library of congress subject headings principles and applications /

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• Library of congress subject headings Principlesand application /
  gan: Chan, Lois Mai
  Cyhoeddwyd: (2007)
• Library of Congress subject heading principles and application /
  gan: Chan Loismai
  Cyhoeddwyd: (1995)
• Library of Congress subject headings: principles and application
  gan: Chan, Lois Mai; Author
  Cyhoeddwyd: (2007)
• Library of Congress subject headings
  Cyhoeddwyd: (1989)
• Library of Congress subject headings
  Cyhoeddwyd: (1989)