Acts 11:2

So when Peter went up to Jerusalem, those of the circumcision took issue with him,

Acts 10:45

And those believers from the circumcision who had accompanied Peter were astonished that the gift of the Holy Spirit had been poured out even on the Gentiles,

Acts 10:9

And the next day, [as] they were on their way and approaching the city, Peter went up on the housetop to pray [at] about the sixth hour.

Acts 15:1

And some men came down from Judea [and] began teaching the brothers, "Unless you are circumcised according to the custom [prescribed] by Moses, you cannot be saved."

Acts 15:5

But some of those who had believed from the party of the Pharisees stood up, saying, "It is necessary to circumcise them and to command [them] to observe the law of Moses!"

Acts 21:20-23

And [when] they heard [this], they began to glorify God. And they said to him, "You see, brother, how many ten thousands there are among the Jews who have believed, and they are all zealous adherents of the law.

Galatians 2:12-14

For before certain people came from James, he used to eat with the Gentiles, but when they came, he withdrew and separated himself, [because he] was afraid of those [who were] 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
And the next day, [as] they were on their way and approaching the city, Peter went up on the housetop to pray [at] about the sixth hour.
Acts 15:1
And some men came down from Judea [and] began teaching the brothers, "Unless you are circumcised according to the custom [prescribed] by Moses, you cannot be saved."
Acts 21:20
And [when] they heard [this], they began to glorify God. And they said to him, "You see, brother, how many ten thousands there are among the Jews who have believed, and they are all zealous adherents of the law.
Galatians 2:12
For before certain people came from James, he used to eat with the Gentiles, but when they came, he withdrew and separated himself, [because he] was afraid of those [who were] of the circumcision,

General references

1 Samuel 17:29
David replied, "What have I done now? {I merely asked a question}!