O magnum pietatis opus mors

Source: 
Wellington (New Zealand), The Alexander Turnbull Library - Rare Books, MSR-03
Folio: 
069r
Sequence: 
3
Feast: 
Exaltatio Crucis
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
004035
Mode: 
7
Differentia: 
C1a
Differentia database: 
1--l-l-m-l-k-jk--4 144a
Manuscript Reading Full Text (standardized spelling): 
O magnum pietatis opus mors mortua tunc est quando in ligno mortua vita fuit
Manuscript Reading Full Text (MS spelling): 
O magnum pietatis opus mors mortua tunc est quando in ligno mortua vita fuit | Euouae