O vera summa sempiterna trinitas pater

Source: 
CZ-R (Rajhrad) R 17
Folio: 
040v
Sequence: 
3
Office: 
T
Genre: 
A
Cantus ID: 
004086
Feast: 
De Trinitate
Mode: 
3
Full text: 
O vera summa sempiterna trinitas pater et filius et spiritus sanctus

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