1 - Cf. Retract. 1, 6.

2 - Indiculus X (1), 3.

3 - Retract. 1, 6.

4 - Cf. Retract. 1, 6.

5 - CCL 47, V-XLV; Cf. Ep. 212/A a Firmo.

6 - CCL 50, 4-23; PLS II, 1546-1555.

7 - CSEL 28/1, 436-456; PLS II, 363-385; cf. le osservazioni in BA 49, 461-463.