The Scottish Psalter was written anonymously in 1635 and published and appointed for use in worship by the Church of Scotland in 1650. Scripture paraphrases were added in 1781. The Scottish Psalter and Paraphrases was the primary hymnal used by the Church of Scotland through the 19th century. The Scottish Psalter was originally contained in one volume. When the Scripture paraphrases were added in the 18th century, its addition expanded the singular volume.