Great Commission to Worship Biblical Principles for Worship-Based Evangelism Wheeler, David Heftet / 2011 / Engelsk
Worship Through the Ages How the Great Awakenings Shape Evangelical Worship Towns Elmer L. Heftet / 2012 / Engelsk
Hymns and Hymnody I: Historical and Theological Introductions PB From Asia Minor to Western Europe Forrest John Heftet / 2020 / Engelsk
Hymns and Hymnody II: Historical and Theological Introductions, Volume 2 PB From Catholic Europe to Protestant Europe Forrest John Heftet / 2020 / Engelsk
Hymns and Hymnody III: Historical and Theological Introductions, Volume 3 PB From the English West to the Global South Lamport Mark A. Heftet / 2020 / Engelsk
