Isaias ille divus secretorum

Source: 
Den Haag, Koninklijke Bibliotheek - Nationale Bibliotheek van Nederland, 70 E 4
Folio: 
077r
Sequence: 
3
Feast: 
Conceptio Mariae
Office/Mass: 
M
Genre: 
A
Position: 
2.3
Cantus ID: 
202655
Mode: 
6T
Differentia: 
F2
Differentia database: 
1--m-m-k-lm-lL-k--4 T7eA