| Don Bosco-Memorie biografiche Vol 10.html |
| A010009764 |
Nemo tamen ad sacros ordines titulo eongregationis erit admittendus, nisi vota perpetua iam emiserit,'. |
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| A010010551 |
Mortuo Rectore, pro anima illius sacra lacient omnes eongregationis socii, idque 1. |