1
Electronic
Article
Volltext (Resolving-System)
History 1700-1800
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4
Electronic
Article
Presumably Free Access
Volltext (Resolving-System)
5
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10
Electronic
Article
Presumably Free Access
Volltext (Verlag)
Volltext (doi)
History 1850-2016
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12
Electronic
Article
Volltext (Resolving-System)
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