1987 - Charles McIlhenny - 04 - God's Rights And Human Rights
1991 - Derke Bergsma - 02 - The Biblical Time-Frame For Zachariahs Prophesy
1997 - Robert Godfrey - 08 - Music In Worship
2005 - Roger Wagner - 02 - Some Causes Of Disunity In The Church - One New Man In Christ