Genre: 
Full text: 
Petrus beatus catenarum laqueos Christo jubente rupit mirabiliter custos ovilis et doctor ecclesiae pastorque gregis conservator ovium arcet luporum truculentam rabiem
Notes: 
cf. a01573 for the Urban VIII revision of this hymn (Breviarium Romanum 1632), which differs nearly completely
CAO sources: 
SL