Lex dei ejus in corde

Source: 
Roma, Biblioteca Vallicelliana, C.5
Folio: 
241r
Sequence: 
9
Feast: 
Decoll. Jo. Bapt.
Office/Mass: 
M
Genre: 
A
Position: 
2.5
Cantus ID: 
003611
Mode: 
4
Differentia: 
3
Differentia database: 
1--h-g-h-jh-gf-e--4 19a