RISM is a transnational, non-profit organization founded in Paris in 1952 with the aim of comprehensively documenting the world's surviving sources of music (manuscript and printed). G. Henle Verlag publishes the systematic series "B". See also: www.rism.info
 
                                                                         
                                 
                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                              
                                                                                                                                                      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