National Quartet Champions — The Vocal Network
THE PITTSBURGHERS 1948 National Barbershop Quartet Champions CD (1998) 765481702620 | eBay
Max Q (quartet) - Wikipedia
Singers.com - List of Barbershop Quartet International Champions - Gold Medal Winners
Quartet Champions - The Illinois District of the Barbershop Harmony Society
Barbershop world champions visit Williamsburg - Daily Press
Frontier Quartet
Mid-Atlantic District of the Barbershop Harmony Society
Quartet Champions | Rocky Mountain District
Singers.com - List of Barbershop Quartet International Champions - Gold Medal Winners
Barbershop Harmony Society: 75 Years of Barbershop Quartet Champions - Compilation by Various Artists | Spotify
Lustre Quartet-2018 SAI Champions | Harbor City Music Company Show chorus
11th Annual SE Illinois Youth in Harmony Festival - The Illinois District of the Barbershop Harmony Society
Instant Classic – Association of International Champions
Chiefs of Staff - Solid Gold Barbershop Quartet Champions CD | eBay
Stream episode International Barbershop Quartet Champions: After Hours by BYU-Idaho Radio podcast | Listen online for free on SoundCloud
Signature wins international Barbershop Quartet Championship | Barbershop Harmony Society
Realtime - Male Barbershop Quartet from Vancouver, United States
BHSart: An Illustrative Retrospective of The International Barbershop Quartet Champions in The Barbershop Harmony Society 1939 - Present by Jimmy Quentin Trapp
Ringmasters — Official Website
Recent Champions | Barbershop Harmony Society
Seniors Quartet Champions
Mid-Atlantic District of the Barbershop Harmony Society
