O custos hominum quare me

Source: 
Praha (Prague), Strahovská knihovna (Library of the Royal Canonry of Premonstratensians at Strahov), DE I 7
Folio: 
269r
Sequence: 
2
Feast: 
De Job
Office/Mass: 
M
Genre: 
V
Position: 
01
Cantus ID: 
007217a
Mode: 
4
Manuscript Reading Full Text (standardized spelling): 
O custos hominum quare me posuisti contrarium tibi et factus sum mihimetipsi gravis parce mihi domine nihil enim sunt dies mei