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=001  1000000284
=240  ##$aNA$02
=245  ##$aMs. B.9
=300  ##$amanuscript of polyphony, $c748 x 520
=340  ##$dNA
=592  ##$aNA
=774  ##$w1000001795
=774  ##$w1000001796
=774  ##$w1000001797
=774  ##$w1000001798
=774  ##$w1000001799
=774  ##$w1000001800
=774  ##$w1000001801
=774  ##$w1000001802
=774  ##$w1000001803
=774  ##$w1000001804
=774  ##$w1000001805
=774  ##$w1000001806
=774  ##$w1000001807
=774  ##$w1000001808
=774  ##$w1000001809
=774  ##$w1000001810
=774  ##$w1000001811
=774  ##$w1000001812
=774  ##$w1000001813
=774  ##$w1000001814
=774  ##$w1000001815
=774  ##$w1000001816
=774  ##$w1000001817
=774  ##$w1000001818
=774  ##$w1000001819
=774  ##$w1000001820
=774  ##$w1000001821
=774  ##$w1000001822
=774  ##$w1000001823
=774  ##$w1000001824
=852  ##$aE-Tc$cMs. 9$eArchivio y Biblioteca Capitulares de la Catedral Metropolitana$x464
=856  ##$uNA$zNA