This sermon was given by Rev. Angus Stewart of the Covenant Protestant Reformed Church in Northern Ireland, in a series on The Office of Believer.

A sermon on Heidelberg Catechism Lord's Day 22, preached by Rev Nathan Decker at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 21,  preached by Rev. Nathan Decker at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 20, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

This interview was conducted with Kyle Buinooge and Dan Kuiper on the calling of teaching.

A sermon on Heidelberg Catechism Lord's Day 19, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

This interview was conducted with the goal of talking about witnessing on a college campus and what Godly living looks like while attending a college or university. Our guests for this interview were Josh Harris, Owen Kalsbeek, and Lucas Heyboer.

A sermon on Heidelberg Catechism Lord's Day 19, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

This speech was given by Rev. Angus Stewart of the Covenant Protestant Reformed Church in Northern Ireland.

A sermon on Heidelberg Catechism Lord's Day 18, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 17, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

On August 27, 2025, Rev. John Marcus was interviewed by Chris Arnzen on Iron Sharpens Iron Radio.  Iron Sharpens Iron Radio is a Christian talk radio show hosted by Chris Arnzen. It features discussions on various topics from a Reformed Christian perspective, often involving interviews with pastors, scholars, and theologians. The program aims to challenge listeners to apply their faith to all aspects of life and encourages them to share the information with their congregations.

A sermon on Heidelberg Catechism Lord's Day 16, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 15, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 14, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

On August 4, 2025, Professor Douglas Kuiper was interviewed by Chris Arnzen on Iron Sharpens Iron Radio.  Iron Sharpens Iron Radio is a Christian talk radio show hosted by Chris Arnzen. It features discussions on various topics from a Reformed Christian perspective, often involving interviews with pastors, scholars, and theologians. The program aims to challenge listeners to apply their faith to all aspects of life and encourages them to share the information with their congregations.

A sermon on Heidelberg Catechism Lord's Day 13, preached by Prof. Douglas Kuiper at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

A sermon on Heidelberg Catechism Lord's Day 12, preached by Rev. Jonathan Mahtani at Hope Protestant Reformed Church in Walker, Michigan.   For more sermons please see our Sermon Audio page or come visit us on Sundays at 9:30 AM or 5:00 PM.

Preached by Rev. Angus Stewart on November 9, 2008 as part of his Heidelberg preaching for the year.