Isti sunt dies quos observare
Folio:
116r
Sequence:
8
Feast:
Office/Mass:
M
Genre:
R
Position:
1.1
Cantus ID:
007013
Manuscript Reading Full Text (standardized spelling):
Isti sunt dies quos observare debetis temporibus suis quartadecima die ad vesperum pascha domini est et in quintadecima sollemnitatem celebrabitis altissimo domino
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