Which preposition to use with tribunate

of Occurrences 5%

Throwing Open of Marriage and of Magistracies) the proconsulship, the quaestorship, the tribunate of the people, and several others.

for Occurrences 1%

It then as usual repaid its latest by inflicting a gentle blow on its earlier benefactor, declining to reëlect him when he stood for the third time as a candidate for the tribunate for the year B.C. 120.

with Occurrences 1%

Thus there remained excluded the military tribunate with consular powers (II. III.

Which preposition to use with  tribunate