New Revised Standard Version
and when James and Cephas and John, who were acknowledged pillars, recognized the grace that had been given to me, they gave to Barnabas and me the right hand of fellowship, agreeing that we should go to the Gentiles and they to the circumcised.

Contemporary English Version
James, Peter, and John realized that God had given me the message about his gift of undeserved grace. And these men are supposed to be the backbone of the church. They even gave Barnabas and me a friendly handshake. This was to show that we would work with Gentiles and that they would work with Jews.

New American Bible
and when they recognized the grace bestowed upon me, James and Cephas and John, who were reputed to be pillars, gave me and Barnabas their right hands in partnership, that we should go to the Gentiles and they to the circumcised.

Douay-Rheims Bible
And when they had known the grace that was given to me, James and Cephas and John, who seemed to be pillars, gave to me and Barnabas the right hands of fellowship: that we should go unto the Gentiles, and they unto the circumcision:

And when they had known the grace that was given to me, James and Cephas and John, who seemed to be pillars, gave to me and Barnabas the right hands of fellowship: that we should go unto the Gentiles, and they unto the circumcision:

James.

Acts 15:7,13,22-29 And when there had been much disputing, Peter, rising up, said to them: Men, brethren, you know that in former days God made choice among us, that by my mouth the Gentiles should hear the word of the gospel and believe. . . .

pillars.

Galatians 2:2,6,12-14 And I went up according to revelation and communicated to them the gospel which I preach among the Gentiles: but apart to them who seemed to be some thing: lest perhaps I should run or had run in vain. . . .

Matthew 16:18 And I say to thee: That thou art Peter; and upon this rock I will build my church, and the gates of hell shall not prevail against it.

Ephesians 2:20 Built upon the foundation of the apostles and prophets, Jesus Christ himself being the chief corner stone:

Revelation 3:12 He that shall overcome, I will make him a pillar in the temple of my God: and he shall go out no more. And I will write upon him the name of my God and the name of the city of my God, the new Jerusalem, which cometh down out of heaven from my God, and my new name.

Revelation 21:14-20 And the wall of the city had twelve foundations: And in them, the twelve names of the twelve apostles of the Lamb, . . .

the grace.

Romans 1:5 By whom we have received grace and apostleship for obedience to the faith, in all nations, for his name:

Romans 12:3,5,6 For I say, by the grace that is given me, to all that are among you, not to be more wise than it behoveth to be wise, but to be wise unto sobriety and according as God hath divided to every one the measure of faith. . . .

Romans 15:15 But I have written to you, brethren, more boldly in some sort, as it were putting you in mind, because of the grace which is given me from God,

1 Corinthians 15:10 But by the grace of God, I am what I am. And his grace in me hath not been void: but I have laboured more abundantly than all they. Yet not I, but the grace of God with me:

Ephesians 3:8 To me, the least of all the saints, is given this grace, to preach among the Gentiles the unsearchable riches of Christ:

Colossians 1:29 Wherein also I labour, striving according to his working which he worketh in me in power.

1 Peter 4:10,11 As every man hath received grace, ministering the same one to another: as good stewards of the manifold grace of God. . . .

fellowship.

2 Corinthians 8:4 With much entreaty begging of us the grace and communication of the ministry that is done toward the saints.

1 John 1:3 That which we have seen and have heard, we declare unto you: that you also may have fellowship with us and our fellowship may be with the Father and with his Son Jesus Christ.

we should.

Acts 15:23-30 Writing by their hands: The apostles and ancients, brethren, to the brethren of the Gentiles that are at Antioch and in Syria and Cilicia, greeting. . . .