The determining factor for liturgical principles is the conviction that God determines what happens during worship service. This article discusses worship in the Old and New Testament, looking at how the principles of Old Testament worship influenced the liturgy of the New Testament church. The author then draws conclusions for what this means for our worship today.

This article studies the essence of the liturgy. Eight different aspects of the liturgy are discussed.

There are many different groups involved in the liturgy, for instance, the congregation, the consistory, and the minister. This article looks at the preparation and the celebration of these different groups for the worship service.

Does the order of the liturgy lie with the local body of elders, or is it a matter that belongs to the churches in common? This article discusses this question, looking at church history, and advocates for some uniformity in our liturgies. It argues that being bound to a specific order does not mean losing your freedom as a local church, and explains how this is so.

What is it that makes Reformed liturgy beautiful? This article addresses this question in some detail. It explains the essence, character, and form of Reformed liturgy. It shows the heavenly pattern of liturgy, harking back to Old Testament worship. It then offers some principles that should govern corporate worship, and concludes with providing a sample order of worship.

Why do we read the Ten Commandments during the worship service? This article looks at the place of the Ten Commandment in the liturgy of the Reformed churches.

To what extent should we regulate our liturgy? This article explains that decisions regarding the liturgy must be guided by four biblical principles regarding worship.

This article discusses various matters pertaining to the worship service. It explains that such a service falls within God's covenant and is a celebration of it. It goes into some detail on what the liturgy is, as well as the origins of the Reformed liturgy. Finally, it describes the so-called liturgical movement, a phenomenon in the 1800s.

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.

Should the church follow the liturgical year in her structuring of liturgy? This article shows that following the liturgical year is not the way to go. Instead, church liturgy can be arranged in such a way that Christian feasts can be accommodated through thematization. This method of following preaching themes can be adopted for catechism classes also. The author discusses the advantages and disadvantages of this.

This article looks at the purpose of liturgy and the basic flow of liturgy.

This article gives an overview of church liturgy: the scriptural basis of liturgy, the order of worship, and the components of liturgy.

Looking at the teaching of the Old and New Testaments, this article draws conclusions as to how the church can give form to the liturgy in a way that true worship of God can be reflected in the worship service.

The Lord's Supper should be celebrated with joy, since in it we experience the presence of Christ, a reminder of the coming feast of the Lamb, and the fellowship of believers. It must be a festive meal, and should have a special place in the liturgy. This article also looks at the celebration of the Holy Communion in the early church and at the time of the Reformation.

This articles gives a history of the development of the worship service from the Old Testament to the Reformation. All the elements of liturgy from the beginning of the service to the end are discussed (preaching, reading of Scripture, public prayer, singing, beginning of service, Lord’s Supper, baptism, the law, etc.).

Liturgy should connect the church with the past generation, serve the worship of the church in the present, and prepare the church for the future perfect liturgy. In this article, the author examines church liturgy in the history of the church from the 16th century under the influence of Roman Catholic Church to the liturgy after the time of the Reformation.

This article is an introduction to the book of Psalms. The arrangement and collection of the Psalms is discussed as well as the singing of the Psalms (the Psalms as part of the liturgy and songbook). The history of the Psalmody is also mentioned. The author also looks at Jesus Christ and the Psalms and the interpretation of the Psalms.

This article on the place of preaching in the liturgy, looks at the character of the worship service and communication through the preaching.

This article looks at the order of worship, specifically also John Calvin's liturgy. The author urges us to go back to the early church to include the confession of sin and forgiveness of sin (assurance of pardon) in our worship services. He also mentions the "kyrie eleison."