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Keywords from Image Description:
Sigelverzeichnis. en List of Libraries from precursor of the German Sigelverzeichnis see also image Sigelverzeichnis Auskunftsbureau der Deutschen Bibliotheken Hrsg GesamtZeitschriftenverzeichnis Berlin Knigliche Bibliothek XIVXVII Auskunftsbureau der Deutschen Bibliotheken former German Library Institution years old in addition