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Galvin, T.J.: Problems in reference service (1965)
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Grogan, D.: Case studies in reference work (1967)
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Ranganathan, S.R.: Reference service (1961)
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Kommunale Öffentliche Bücherei : Gutachten der Kommunalen Gemeinschaftsstelle für Verwaltungsvereinfachung (1964)
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Leser sind auch Menschen oder Traktat von der idealen Bibliothekarin (1962)
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