Acts 15:23

And they wrote by them, "The apostles, and the elders, and the brethren, to the brethren who are from the gentiles in Antioch and Syria and Cilicia, greeting.

2 Corinthians 7:8

For though I caused you sorrow with the letter, I do not regret it, though I did regret it; for I perceive that that letter caused you sorrow, though it was but for a short time.

Galatians 6:11

See in what large letters I have written to you with my own hand.

Hebrews 13:22

But I beseech you, brethren, bear with the word of my exhortation; for I have written to you in few words.

Revelation 2:1-3

To the angel of the church in Ephesus write: These things saith he that holdeth the seven stars in his right hand, who walketh in the midst of the seven golden candlesticks:

Treasury of Scripture Knowledge

Summary

Now these are the words of the letter that Jeremiah the prophet sent from Jerusalem unto the residue of the elders which were carried away captives, and to the priests, and to the prophets, and to all the people whom Nebuchadnezzar had carried away captive from Jerusalem to Babylon;

Bible References

Of the letter

Acts 15:23
And they wrote by them, "The apostles, and the elders, and the brethren, to the brethren who are from the gentiles in Antioch and Syria and Cilicia, greeting.
2 Corinthians 7:8
For though I caused you sorrow with the letter, I do not regret it, though I did regret it; for I perceive that that letter caused you sorrow, though it was but for a short time.
Galatians 6:11
See in what large letters I have written to you with my own hand.
Hebrews 13:22
But I beseech you, brethren, bear with the word of my exhortation; for I have written to you in few words.