* The Methodist Episcopal Church's historie (1926)
* Metodisme og samfund i USA (1940)
* Den amerikanske revolution (1951)
* Hvem er Amish? (1954)
* Quakers and the American Dream (1960)
* The Study of American Christianity (1963)
* Leve sit liv (1970)
* Biskop Francis Asburys liv (1973)
* An American Bible:Selections from a Nation's Story (1974)
* Living the Life:A Call to Discipleship (1980)
* The Shaping of American Christianity (1981)
* Methodist Worship in America (1983)
* American Catholicism and Social Reform:The New Deal Years (1984)
* Arven efter biskop Francis Asbury (1986)
* American Church Architecture:A Pictorial History (1987)
* Protestantismens historie i USA:En lærebog (1988)
* American Evangelicals and World Missions (1990)
* The United Methodist Hymnal (1991)
* The New United Methodist Hymnal (2006)
* The Story of the Methodist Hymnal (2010)
* The Church in America:A History (2013)
Artikler
* "The Development of Methodism in America:A Historical Overview" (1956)
* "Methodism and the American Frontier" (1960)
* "The Social Impact of Methodism in America" (1964)
* "The Methodist Episcopal Church in the Nineteenth Century" (1967)
* "Metodistkirken i det tyvende århundrede" (1970)
* "Methodism and Ecumenism" (1973)
* "The Methodist Hymnal:A Historical Perspective" (1991)
* "The United Methodist Hymnal:A New Vision for Worship" (2006)
Andre skrifter
* "Methodist History" (spalte, The Christian Advocate, 1960-1987)
* "The Study of American Christianity" (spalte, The Methodist Review, 1963-1983)
* "American Church History:A Book Review Essay" (spalte, Church History, 1981-1986)
* "Teologi og tilbedelse" (spalte, The Hymn, 1986-1991)
* "American Christianity:A Historical Overview" (spalte, The Journal of Religion, 1991-2013)