Koninklijke Bibliotheek (''Royal Library'' in English) may refer to:
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Royal Library of Belgium
The Royal Library of Belgium (french: Bibliothèque royale de Belgique, nl, Koninklijke Bibliotheek van België, abbreviated ''KBR'' and sometimes nicknamed in French or in Dutch) is the national library of Belgium. The library has a history t ...
, the country's national library, in Brussels
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Royal Library of the Netherlands
The Royal Library of the Netherlands (Dutch: Koninklijke Bibliotheek or KB; ''Royal Library'') is the national library of the Netherlands, based in The Hague, founded in 1798. The KB collects everything that is published in and concerning the Ne ...
, in The Hague
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