Manuscripts 21,624 Facsimiles 18,263 Catalogs 16,740 Scores 13,125 Bibliography 6,470 History 4,591 Songs 2,943 Bibliographies 2,760 Sources 2,746 Criticism, interpretation, etc 2,002 Fac-similés 1,879 Chamber music 1,792 Art music 1,659 facsimiles (reproductions) 1,582 Exhibitions 1,542 Partitions (Musique) 1,503 Notated music 1,344 Scores and parts 1,247 Songs with piano 1,247 Musical settings 1,244 Exhibition catalogs 1,094 Parts (Music) 1,088 Manuscrits 1,057 Early works to 1800 1,042 Catalogues 945 Music 797 Congresses 765 Indexes 759 Parts 625 Operas 598 Excerpts 594 Early works 571 Conference papers and proceedings 560 Auction catalogs 553 Concertos 535 catalogs (documents) 535 Correspondence 524 Partitions 522 Symphonies 522 Biography 521 Musique savante 521 Musique de chambre 508 Fiction 502 Songs and music 485 Texts 463 Archives 446 Vocal scores with piano 416 Piano music 407 Sonatas 407 Periodicals 374 Specimens 373 Biographies 352 Electronic books 346 Arrangements (Music) 300 Suites 299 Illustrations 298 Microform catalogs 297 Union lists 292 Catalog 266 Collections 266 Poetry 265 Thematic catalogs 259 Vocal scores 256 Auction catalogues 237 Union catalogs 235 Facsimiles (reproductions) 228 Drama 220 Illustrated works 213 Aleatory music 198 Personal correspondence 194 Records and correspondence 187 Library catalogues 184 Thematic catalogs (Music) 183 Cantatas 175 Church history 171 Autographs 168 Notebooks, sketchbooks, etc 165 Academic theses 163 Parties (Musique) 157 Directories 153 Bibliographie 148 Variations (Music) 148 Chants 147 Sacred music 145 Motets 142 Gregorian chants 134 Part songs 131 Masses 128 Fac-similés 125 Excerpts, Arranged 120 Sonates 117 Dictionaries 116 Handbooks, manuals, etc 115 Mises en musique 112 bibliographies 110 CD-ROMs 109 Pictorial works 106 Hymns 103 Manuscritos 102 Translations 101