Maria virgo semper laetare

Source: 
Linz, Oberösterreichische Landesbibliothek, 290 (olim 183; Gamma p.19)
Folio: 
349r
Sequence: 
15
Feast: 
Nativitas Mariae,8
Office/Mass: 
E
Genre: 
A
Position: 
8
Cantus ID: 
003708
Mode: 
?
Differentia: 
*
Manuscript Reading Full Text (standardized spelling): 
Maria virgo semper laetare