Luke 3:3

and he came into all the country about the Jordan, proclaiming an immersion of repentance into remission of sins:

Luke 1:77

Giving a knowledge of salvation unto his people, by a remission of their sins.

Matthew 3:5-6

Then, were going forth unto him - Jerusalem, and all Judaea, and all the country round about the Jordan:

Matthew 3:11

I, indeed, am immersing you, in water, unto repentance, - but, he who, after me, cometh is, mightier than I, whose, sandals, I am not worthy to bear, he, will immerse you, in Holy Spirit and fire:

Mark 1:4-5

John the Immerser came, in the wilderness, proclaiming an immersion of repentance for remission of sins;

John 1:28

These things, in Bethany, came to pass, beyond the Jordan, where John was, immersing.

John 1:31-33

And, I, knew him not, but, that he might be manifested unto Israel, therefore, came, I, in water, immersing.

John 3:26

And they came unto John, and said unto him - Rabbi! he who was with thee beyond the Jordan, unto whom, thou, hast borne witness, see! the same, is immersing; and, all, are coming unto him.

Acts 13:24

John, beforehand proclaiming, before the face of his coming in, an immersion of repentance, unto all the people of Israel.

Acts 19:4

Then said Paul - John, immersed with an immersion of repentance, unto the people, saying, that, on him who was coming after him, they should believe, - that is, on Jesus.

Acts 22:16

And, now, what art thou going to do? Arise, and get thyself immersed, and have thy sins bathed away, calling upon his name.

Treasury of Scripture Knowledge

Summary

And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins;

For

Bible References

The country

Matthew 3:5
Then, were going forth unto him - Jerusalem, and all Judaea, and all the country round about the Jordan:
Mark 1:4
John the Immerser came, in the wilderness, proclaiming an immersion of repentance for remission of sins;
John 1:28
These things, in Bethany, came to pass, beyond the Jordan, where John was, immersing.
John 3:26
And they came unto John, and said unto him - Rabbi! he who was with thee beyond the Jordan, unto whom, thou, hast borne witness, see! the same, is immersing; and, all, are coming unto him.

Preaching

Matthew 3:6
and were being immersed in the Jordan river, by him, openly confessing their sins.
Mark 1:4
John the Immerser came, in the wilderness, proclaiming an immersion of repentance for remission of sins;
John 1:31
And, I, knew him not, but, that he might be manifested unto Israel, therefore, came, I, in water, immersing.
Acts 13:24
John, beforehand proclaiming, before the face of his coming in, an immersion of repentance, unto all the people of Israel.
Acts 19:4
Then said Paul - John, immersed with an immersion of repentance, unto the people, saying, that, on him who was coming after him, they should believe, - that is, on Jesus.
Acts 22:16
And, now, what art thou going to do? Arise, and get thyself immersed, and have thy sins bathed away, calling upon his name.

For

Luke 1:77
Giving a knowledge of salvation unto his people, by a remission of their sins.