How do we maintain harmony and unity in church relations? Looking at Joshua 22 this article gives five principles to consider for keeping church unity. 

Church unity cannot be manufactured and church unity can only be found upon God’s word. Are there things we can do to promote church unity? This article suggests eleven things we can to promote unity.

Did Christ pray for church unity when He was praying in John 17:20-21? Which unity was He Praying for? This article answers these questions by looking at who Christ prayed for and what is the nature of the oneness He was praying for. 

God’s church should be characterised by unity and love. How does the church achieve this? From Philippians 2:1-5 the article explains the basis for achieving church unity and love. 

How can churches relate together and have unity based on the confessions? This article proposes the adoption of Three Forms of Unity as the basis for church unity. Here focus is given to the issue of the expressions of different cultures and traditions and adhering to similar confessions.

Church unity should not only be limited to the local churches or even churches nationally. There must be a way of getting the churches to express this unity at an international level. How? This article examines some of the ways for international inter-relations within the churches.

This article on John 17:22-23 discusses church unity as God-centred unity, cross-centred unity, holiness-centred unity, and mission-centred unity.

Giving a perspective from church history on what it means to be Reformed and the implication this has for church unity, this article shows how different Reformed churches can find a way of expressing this unity in their context.

The theological nature of the Christian faith makes creeds foundational to the Christian faith. The church must express her faith. Hence, creeds are needed for the shaping of theological thought and practice of the church. For church unity, fighting heresy, church liturgy, and the teaching ministry of the church, creeds play a role.

Is a church federation the only way in which churches can show their unity? Looking at the unity of God's people from the Old and New Testament, this article shows that God's people are called to be one. The author traces this expression of church unity through the Reformation, showing that there is a way of acknowledging each other while embracing diversity. There can be "federation of federations".

This article is about church unity, and the place ministers have when there are differences in the church. The place of peace and truth in church unity is discussed, as well as the ministers attitude towards doctrine and truth.

This article is on the last things and church unity; the differences and similarities in our view of the end times and millennialism.

This article on Psalm 133 is about church unity as a gift of God.

This article is about the statement of Faith Catholics and Evangelicals Together. Church unity between Roman Catholics and Protestants is discussed, as well as justification and what the Reformation meant with Christ alone.

This article discusses sectarianism, ecumenism, and church unity.

This article on Article 27 of the Belgic Confession discusses the church as a faith article, the church and true believers, the fellowship of the believers, church unity and unity in Christ, and the universal of catholic church and the relation to the local church.

This article on Article 28 of the Belgic Confession is about church unity and the call to separation from the church.

This article is about our task to seek church unity. Why is the unity in truth possible? Because of the call of the Father, the body of Christ and the gifts of the Holy Spirit.

This article is about church unity, and looks particularly at Psalm 133 for instruction on the matter.

This article first look at the modern ecumenical movement and false church unity, and then looks at true catholicity and true church unity.

This article is about reconciliation and the ministry of the church in reconciliation. The author discusses the peace that God has worked, and the task of the church to plead for reconciliation with God. Church unity and peace and harmony in the church is also discussed.

This article looks at unity in faith and church unity despite different confessions.

This article on Ephesians 2:19 is about church unity and separation in the church.

This article is about church unity and life in the church.

This article is about Philip Melanchthon's view on the church unity. Melanchthon's contact with other believers, with Rome, and with the Reformers Bucer, Zwingli and Calvin is discussed in this article.

This article is about church unity and Article 29 BC.

This article is about church unity and the Lord's Table / Lord's Supper. Church unity and different church federations is also discussed, as well as John 17:21.

This article discusses the work of the Holy Spirit in the church with regards to church unity, church unity and love and truth, and discipline and church unity. The author also looks at schisms.

What was John Calvin's view of the church? This article looks at Calvin's view of church unity, tolerance in the church, and church unity and truth.