Acts 11:2
But, when Peter went up to Jerusalem, those who were converts from Judaism began to attack him,
Acts 10:45
Those converts from Judaism, who had come with Peter, were amazed that the gift of the Holy Spirit had been bestowed even upon the Gentiles;
Acts 10:9
On the next day, while these men were on their way, just as they were nearing the town, Peter went up on the housetop about mid-day to pray.
Acts 15:1
But certain persons came down from Judea, and began to teach the Brethren that, unless they were circumcised, in accordance with the custom enjoined by Moses, they could not be saved.
Acts 15:5
Some of the Pharisees' party, however, who had become believers in Christ, came forward and declared that they were bound to circumcise converts and to direct them to observe the Law of Moses.
Acts 21:20-23
And, when they had heard it, they began praising God, and said to Paul: "You see, Brother, that the Jews who have become believers in Christ may be numbered by tens of thousands, and they are all naturally earnest in upholding the Jewish Law.
Galatians 2:12-14
Before certain persons came from James, he had been in the habit of eating with the Gentile converts; but, when they came, he began to withdraw and hold aloof, for fear of offending those who still held to circumcision.