Quis scit si convertatur et

Source: 
Kielce, Biblioteka Kapituły Katedralnej, Ms. 1
Folio: 
050r
Sequence: 
2
Feast: 
Fer. 4 Cinerum
Office/Mass: 
V
Genre: 
A
Position: 
3M
Cantus ID: 
004550
Mode: 
4
Differentia: 
E1
Differentia database: 
1--h-g-h-k-g-e--4 41a
Indexing notes: 
"sequitur alia antiphona"; in the margin "iste due antiphonae in suffragia …" (as a second layer of rubrication?);