Source: 
PL-WRu I F 413 Cistercian Gradual (Silesia)
Folio: 
140r
Sequence: 
3
Feast: 
Apollinaris
Office: 
MASS
Genre: 
Com
Cantus ID: 
g01279
Mode: 
4
Full text: 
Semel juravi in sancto meo semen ejus in aeternum manebit et sedes ejus sicut sol in conspectu meo et sicut luna perfecta in aeternum et testis in caelo fidelis

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