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.

A sermon on Heidelberg Catechism Lord's Day 11, 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.

A sermon on Heidelberg Catechism Lord's Day 10, 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.

A sermon on Heidelberg Catechism Lord's Day 9, 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.

This audio was recorded at one of the visits to Eastern Avenue Church in downtown Grand Rapids. This visit was part of a commemoration of the PRCA and the faithfulness of God in preserving the PRCA for the past 100 years. 

A sermon on Heidelberg Catechism Lord's Day 8, 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.