Library Eusebius of Caesarea Life of Constantine
Book 4, Chapter 3: Equalization of the More Oppressive Taxes.
And whereas some persons found fault with the surveys of land which had been made under former emperors, and complained that their property was unduly burdened; acting in this case also on the principles of justice, he sent commissioners to equalize the tribute, and to secure immunity to those who had made this appeal.
English translation by Ernest Cushing Richardson, in Nicene and Post-Nicene Fathers, Series II, Vol. I (eds. Philip Schaff and Henry Wace; Buffalo: Christian Literature Publishing Co., 1890). Public domain. Digital text via New Advent Church Fathers.