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Pflug, G.: ¬Das Internationale Biographische Informationssystem (1994)
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Wollschläger, H.: Welt-Archiv der Vergangenheit (1994)
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Informationsmittel für Bibliotheken (IFB) : Besprechungsdienst und Berichte (1995)
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Informationsmittel für Bibliotheken (IFB) : Besprechungsdienst und Berichte (1996)
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Hannemann, M.: Online ins Schlaraffenland der Wissenschaft : Literatur-Recherche im Internet ist ein teures Unterfangen ohne Erfolgsgarantie - Doch wer systematisch sucht, gelangt zügig ans Ziel (1999)
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Informationsmittel für Bibliotheken (IFB) : Besprechungsdienst und Berichte (1994)
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Walford's guide to reference material : Vol.1: Science and technology. 1996 (1996)
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Walford's guide to reference material : Vol.3: Generalia, language and literature, the arts (1998)
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Lea, P.W.; Day, A.: Printed reference material and related information sources (1990)
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Walford's guide to reference material : Vol.1: Science and technology (1999)
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Thorn, G. (Red.): Auswahlliste Informationsbestände in Öffentlichen Bibliotheken : Diskettenausgabe / Freitext-Version (1995)
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¬The reference sources handbook (1996)
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Informationsmittel für Bibliotheken (IFB) : Besprechungsdienst und Berichte (1997)
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Walford's guide to reference material : Vol.1: Science and technology. 1993. - Vol.2: Social and historical sciences, philosophy and religion. 1994. - Vol.3: Generalia, language and literature, the arts. 1995 (1993-95)
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