'Letters' in the Bible

and requested letters from him to the synagogues in Damascus, so that if he found any who belonged to the Way, either men or women, he could bring them as prisoners to Jerusalem.

as both the high priest and the whole council of elders can testify about me. From them I also received letters to the brothers in Damascus, and I was on my way to make arrests there and bring the prisoners to Jerusalem to be punished.

They replied, "We have received no letters from Judea about you, nor have any of the brothers come from there and reported or said anything bad about you.