=033  ##$a1544
=001  1000000285
=240  ##$aNA$02
=245  ##$aMs. 10
=300  ##$amanuscript of polyphony, $c728 x 520
=340  ##$dNA
=592  ##$aNA
=774  ##$w1000001825
=774  ##$w1000001826
=774  ##$w1000001827
=852  ##$aE-Tc$cMs. 10$eArchivio y Biblioteca Capitulares de la Catedral Metropolitana$x464
=856  ##$uNA$zNA