Nehemiah 6:5

6:5 The fifth time that Sanballat sent his assistant to me in this way, he had an open letter in his hand.

Nehemiah 2:9

2:9 Then I went to the governors of Trans-Euphrates, and I presented to them the letters from the king. The king had sent with me officers of the army and horsemen.

Nehemiah 6:17

6:17 In those days the aristocrats of Judah repeatedly sent letters to Tobiah, and responses from Tobiah were repeatedly coming to them.

Nehemiah 6:19

6:19 They were telling me about his good deeds and then taking back to him the things I said. Tobiah, on the other hand, sent letters in order to scare me.