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Studwell, W.E.; Rolland-Thomas, P.: ¬The form and structure of a subject heading code (1988)
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Studwell, W.E.; Hamilton, D.A.: Library of Congress Subject Heading period subdivisions for Eastern Europe excluding the Soviet Union : some proposed additions (1985)
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Studwell, W.E.: Why not an 'AACR' for subject headings? (1985)
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