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Calvary Hour Records


Scope and Contents

Biographical Note

Administrative Information

Detailed Description


Publications and Publicity

Administrative Files


Sound Recordings

Radio Show "Formats"

Contact us about this collection

Calvary Hour Records, 1935-2007 | Mennonite Church USA Archives

By Colleen McFarland

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Collection Overview

Title: Calvary Hour Records, 1935-2007Add to your cart.

ID: HM1/956

Primary Creator: Calvary Hour

Other Creators: Detweiler, Bill (1929-), Detweiler, Bob (1929-1989), Detweiler, William G. (1903-1956)

Extent: 71.5 Linear Feet

Arrangement: By series.

Subjects: Evangelistic work, Mennonite Church - Clergy, Radio in religion, Religious broadcasting

Forms of Material: Audiocassettes, Audio tape reels, Compact discs, Phonograph record, 78 rpm, Photographs, Sermons

Languages: English

Scope and Contents of the Materials

The Calvary Hour Records are divided into six series:

(1) Sermons, 1940-2002

(2) Publications and Publicity, 1935-2007

(3) Administrative Files, 1937-2007

(4) Photographs, Circa 1935-2002

(5) Sound Recordings, 1953-2007

(6) Radio Show "Formats," Circa 1965-2000

Biographical Note

The Calvary Hour was a Mennonite radio show founded in 1936 by William G. Detweiler of Canton, Ohio.  Detweiler, the pastor of the Canton, Ohio, Mennonite Church sought a means by which to share the gospel with unbelievers and non-church goers.  Detweiler embraced radio broadcasting as the solution.  Because radio technology was still relatively new and "worldly," his decision to preach the Mennonite faith via radio was met with some disapproval in Mennonite circles.

The earliest broadcasts were titled "The Mennonite Hour," but at the Church's request, Detweiler soon changed the program's name to the Calvary Hour.  The weekly broadcasts featured religious music, prayer, and a sermon.

After William G. Detweiler's sudden death in 1956, his twin sons, Bill and Bob Detweiler continued the Calvary Hour together until 1989. In 1989, Bob Detweiler passed away, and his brother Bill continued broadcasting until 2007.

Subject/Index Terms

Evangelistic work
Mennonite Church - Clergy
Radio in religion
Religious broadcasting

Administrative Information

Repository: Mennonite Church USA Archives

Access Restrictions: This collection is open to the public.

Use Restrictions: Researchers are responsible for using in accordance with 17 U.S.C. Copyright not owned by the Mennonite Church USA Archives.

Physical Access Note:

Researchers should contact the archives in advance to make arrangements to access the sound recordings in this collection.


Acquisition Source: Margaret Detweiler, Ruth Detweiler, Bob Detweiler, and Bill Detweiler

Original/Copies Note: Digital copies of selected photographs from the collection are available online. For more information please see

Related Materials:

The following collections are housed at the Mennonite Church USA Archives - Goshen:

William G. Detweiler Papers, 1919-1955. HM1-957

Bob Detweiler Papers, 1951-1990. HM1-958

Bill Detweiler Papers, 1951-2005. HM1-959

Preferred Citation: Calvary Hour Records, 1935-2007. HM1-956.  Mennonite Church USA Archives. Elkhart, Indiana

Processing Information: Processed by Dennis Stoesz and Colleen McFarland

Box and Folder Listing

Browse by Series:

[Series 1: Sermons, 1940-2002],
[Series 2: Publications and Publicity, 1935-2007],
[Series 3: Administrative Files, 1937-2007],
[Series 4: Photographs, Circa 1935-2002],
[Series 5: Sound Recordings, 1953-2007],
[Series 6: Radio Show "Formats", circa 1965-2000],

Series 2: Publications and Publicity, 1935-2007Add to your cart.
This series includes early newsletters, published sermons, and promotional publications and materials.  Most Calvary Hour publications may be found in the Mennonite Historical Library, Goshen, Indiana.
Box 5Add to your cart.
Folder 6: Canton Mennonite Mission Herald Letters and Church Bulletins, 1935-1938Add to your cart.
Folder 7: The Radio Bulletin / The Mennonite Hour Bulletin, 1937-1941Add to your cart.
Folder 8: The Calvary Hour, 1970, 1976Add to your cart.
Folder 10: The Calvary Hour Reporter, 1961-1964, 1966, 1974Add to your cart.
Folder 11: Calvary Hour Monthly Letters, 1989-1990Add to your cart.
Folder 12: Published Sermons #234-409, UndatedAdd to your cart.
Folder 13: Published Sermons, unnumbered, #414-590, UndatedAdd to your cart.
Folder 14: Published Sermons #591-809, UndatedAdd to your cart.
Folder 15: Published Sermons #810-1039, UndatedAdd to your cart.
Folder 16: Published Sermons #1040-2127, UndatedAdd to your cart.
Folder 17: Clippings, Circa 1939-1956, 1986, 2007Add to your cart.
Folder 18: Promotional Publications: Calendars, 1949-1950, 1952-1953, 1955-1960Add to your cart.
Folder 19: Anniversary Booklets, 1946, 1957, 1967, 1976, 1986Add to your cart.
Folder 20: 50th Anniversary Correspondence, 1986Add to your cart.
Folder 21: Miscellaneous Anniversary Programs and Documents, 1956-1976Add to your cart.
Folder 22: Promotional Publications: Station Logs, Circa 1965-1990Add to your cart.
Folder 23: Promotional Publications: Brochures, Circa 1940-1974Add to your cart.
Folder 24: Promotional Publications, Miscellaneous, Circa 1960-1995Add to your cart.
Folder 40: Posters, UndatedAdd to your cart.

Browse by Series:

[Series 1: Sermons, 1940-2002],
[Series 2: Publications and Publicity, 1935-2007],
[Series 3: Administrative Files, 1937-2007],
[Series 4: Photographs, Circa 1935-2002],
[Series 5: Sound Recordings, 1953-2007],
[Series 6: Radio Show "Formats", circa 1965-2000],

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