P-Gsc (Guimarães) Santa Casa da Misericórdia, Arquivo 322
Horae Beatae Mariae
In the recto side of folio clx a later hand indicated the contents of the book binded by this fragment; two recent stickers in the same place indicate former call numbers for the book binded by this fragment; in the verso side of the second folio, in the upper right, there is a quite imperceptible inscription by a later hand
The responsorium "Candida virginitas" is quite rare. Among earlier sources, it appears, almost exclusively, in sources for the Sarum rite, in Toledo 44.1 and 44.2 and, in the Breviary of Braga, it appears three times.