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Kluth, R.: Schlagwortindex und Schlagwortkatalog (1957)
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Kluth, R.: System - Notation - Leitkarten (1955)
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Kluth, R.: Erwiderung: Offenkundige Mißverständnisse (1972)
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Kluth, R.: Einheitsklassifikation für die Bibliotheken der Bundesrepublik Deutschland (1974)
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Kluth, R.: Münchener Klassifikation und Einheitsklassifikation (1975/76)
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