Audio 30,979 Libro 20,456 Partituras 19,499 CD 8,590 Conference Proceeding 304 Video 88 DVD 81 Cassette 31 Thesis 15 Microfilme 13 VHS 6 Unknown 5 Government Document 4 Software 3 Manuscrito 2 Fotografía 2 Reference Material 2 Seriadas 2 Global 1 Deslizar 1