1.
for the praenomen Aulus.
2.
for Absolvo, on the voting-tablet of a judge; hence C. calls A littera salutaris.
3.
for Antiquo on a voting-tablet in the Comitia.
4.
a. d. for ante diem.
5.
a.v.c. or a. u. c. for anno urbis conditae, or ab urbe conditā.
6.
in the Tusculan Disputations of Cicero probably for Audītor.
