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Porträtdatenbank der Franckeschen Stiftungen
Datenbank-Infosystem (DBIS)
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Nineteenth Century Collections Online: Science, Technology and Medicine ; 1780-1925
Gale
Datenbank-Infosystem (DBIS)
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Alexander Street Press ProQuest: Academic Video Online
Alexander Street Press ProQuest
Datenbank-Infosystem (DBIS)
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eBook Arabic Collection
EBSCO
Datenbank-Infosystem (DBIS)
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Open Research Library (ORL)
Datenbank-Infosystem (DBIS)
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Scopus
Elsevier
Datenbank-Infosystem (DBIS)
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ProQuest Ebook Central
Datenbank-Infosystem (DBIS)
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utb elibrary
Datenbank-Infosystem (DBIS)