Acts 11:2

And, when Peter came up unto Jerusalem, they of the circumcision began to find fault with him,

Acts 10:45

And the faithful, of the circumcision, who had come with Peter, were amazed, - in that, upon the nations also, the free-gift of the Holy Spirit had been poured out;

Acts 10:9

Now, on the morrow, as those men were journeying, and, unto the city, drawing near, Peter went up on the housetop to pray, about the sixth hour;

Acts 15:1

And, certain persons, coming down from Judea, began to teach the brethren - Except ye be circumcised according to the custom of Moses, ye cannot be saved.

Acts 15:5

But there had stood forth some of those who, from the sect of Pharisees, had believed, saying - It is needful to be circumcising them, also to charge them to be keeping the law of Moses.

Acts 21:20-23

And, they, having heard, began glorifying God; and they said to him - Thou observest, brother, how many myriads there are among the Jews who have believed, and, all, are zealous for the law.

Galatians 2:12-14

For, before that certain came from James, with them of the nations, used he to eat; whereas, when they came, he used to withdraw, and keep himself separate, fearing them of the circumcision;

Treasury of Scripture Knowledge

Summary

And when Peter was come up to Jerusalem, they that were of the circumcision contended with him,

General references

Bible References

They

Acts 10:9
Now, on the morrow, as those men were journeying, and, unto the city, drawing near, Peter went up on the housetop to pray, about the sixth hour;
Acts 15:1
And, certain persons, coming down from Judea, began to teach the brethren - Except ye be circumcised according to the custom of Moses, ye cannot be saved.
Acts 21:20
And, they, having heard, began glorifying God; and they said to him - Thou observest, brother, how many myriads there are among the Jews who have believed, and, all, are zealous for the law.
Galatians 2:12
For, before that certain came from James, with them of the nations, used he to eat; whereas, when they came, he used to withdraw, and keep himself separate, fearing them of the circumcision;

General references

1 Samuel 17:29
And David said, What have I done, now? Was there not, a cause?