2 Volume Set Volume 1 contains an introduction and outlines that explore the first 19 articles of the Belgic Confession. 19 Outlines. Volume 2 contains outlines that explore Articles 20-37 of the Belgic Confession. 18 Outlines. Knowing what our confessions mean is never more critical than today, when the words church unity is on everyone’s lips. Topics for discussion are included in each outline.