John 8:17

And also in your law has it been written, that the testimony of two men is true.

Deuteronomy 17:6

At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.

Matthew 18:16

But if he hear thee not, take with thee yet one or two, that at the mouth of two or three witnesses every word might stand.

Deuteronomy 19:15

One witness shall not rise up against a man for any iniquity, and for any sin, in any sin which he shall sin; by the mouth of two witnesses or by the mouth of three witnesses the word shall be established.

1 Kings 21:10

And set two men, sons of Belial, over against him, and they shall bear witness, saying, Thou didst praise God and the king. And they shall bring him forth and stone him, and he shall die.

John 10:34

Jesus answered them, Is it not written in your law, I said; Ye are gods?

John 15:25

But that the word written in their law might be completed, That they hated me gratuitously.

2 Corinthians 13:1

This third I come to you. By mouth of two witnesses, and three, shall every word be established.

Galatians 3:24

So that the law was our preceptor towards Christ, that we might be justified from faith.

Galatians 4:21

Tell me, those wishing to be under the law, do ye not hear the law?

Hebrews 10:28

Any one having rejected Moses' law, without compassion dies by two or three witnesses:

1 John 5:9

If we receive the testimony of men, the testimony of God is greater: for this is the testimony of God which he has testified concerning his Son.

Revelation 11:3

And I will give to my two witnesses, and they shall prophesy one thousand two hundred and sixty days, surrounded with sackcloth.

Treasury of Scripture Knowledge

Bible References

Also

John 10:34
Jesus answered them, Is it not written in your law, I said; Ye are gods?
John 15:25
But that the word written in their law might be completed, That they hated me gratuitously.
Galatians 3:24
So that the law was our preceptor towards Christ, that we might be justified from faith.
Galatians 4:21
Tell me, those wishing to be under the law, do ye not hear the law?

That

Deuteronomy 17:6
At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.
Deuteronomy 19:15
One witness shall not rise up against a man for any iniquity, and for any sin, in any sin which he shall sin; by the mouth of two witnesses or by the mouth of three witnesses the word shall be established.
1 Kings 21:10
And set two men, sons of Belial, over against him, and they shall bear witness, saying, Thou didst praise God and the king. And they shall bring him forth and stone him, and he shall die.
Matthew 18:16
But if he hear thee not, take with thee yet one or two, that at the mouth of two or three witnesses every word might stand.
2 Corinthians 13:1
This third I come to you. By mouth of two witnesses, and three, shall every word be established.
Hebrews 10:28
Any one having rejected Moses' law, without compassion dies by two or three witnesses:
1 John 5:9
If we receive the testimony of men, the testimony of God is greater: for this is the testimony of God which he has testified concerning his Son.
Revelation 11:3
And I will give to my two witnesses, and they shall prophesy one thousand two hundred and sixty days, surrounded with sackcloth.

General references

Numbers 35:30
Every one striking a soul by the mouth of witnesses, he shall slay the slayer: and one witness shall not testify against a soul to die.
Deuteronomy 17:6
At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.