'Letters' in the Bible

[and] asked for letters from him to the synagogues in Damascus, so that if he found any who were of the Way, both men and women, he could bring [them] tied up to Jerusalem.

as indeed the high priest and the whole council of elders can testify about me, from whom also I received letters to the brothers in Damascus, [and] was traveling [there] to lead away those who were there also tied up to Jerusalem so that they could be punished.

And they said to him, "We have received no letters about you from Judea, nor has any of the brothers come [and] reported or spoken anything evil about you.

And whenever I arrive, whomever you approve by letters, I will send these to take your gift to Jerusalem.

Are we beginning to commend ourselves again? Or [do we], like some, need letters of recommendation to you or from you?

But if the ministry of death in letters carved on stone came with glory, so that the sons of Israel were not able to look intently into the face of Moses because of the glory of his face, which was transitory,

so that I do not want to appear as if I were terrifying you by my letters,

because it is said, "His letters [are] severe and powerful, but his bodily presence [is] weak and his speech is of no account."

Let such a person consider this: that what we are in word by letters [when we] are absent, [we will] also [be] in {actions} [when we] are present.

See with what large letters I am writing to you with my [own] hand.

as [he does] also in all his letters, speaking in them about these [things], in which there are some [things] hard to understand, which the ignorant and unstable distort to their own destruction, as [they] also [do] the rest of the scriptures.