| Date | Title | Author | Publication |
| 12/8/2020 | Martial Arts Masters & Pioneers Biography: Chuck Norris – Giving Back For A Lifetime | Bowen, Jesse | Who’s Who in the Martial Arts |
| 12/6/2020 | Bill Viola Sr., Viola Jr. to receive national karate recognition | Love, Michael | Pittsburgh Tribune-Review |
| 12/6/2020 | Bill Viola Sr., Viola Jr. to receive national karate recognition | Love, Michael | Newsbreak.com |
| 11/5/2020 | Inspired to help others, North Huntingdon woman donates kidney | Napsha, Joe | Pittsburgh Tribune-Review |
| 10/5/2020 | 2020 Alumni Award Retrospective | Barnhart, Ryan | California University |
| 10/6/2020 | Vulcan Nation Alumni Awards Special Edition. | Barnhart, Ryan | Vulcan Nation |
| 6/16/2020 | How Pennsylvania’s Tough Guy Contest Gave Birth to Modern Day MMA | Stagliano, Matt | Skillset Magazine |
| 9/28/2019 | Allegheny County recognizes ‘Sensei’ Viola for devotion to karate | Business News | What’s Up Norwin |
| 9/26/2019 | Allegheny County recognizes ‘Sensei’ Viola for devotion to karate | Trombola, Nick | Pittsburgh Post-Gazette |
| 9/24/2019 | Allegheny Shotokan Karate 50 Year Anniversery | Macey, Bob | Allegheny County Courthouse |
| 9/24/2019 | Allegheny County Council Meeting | Fitzgerald, Rich | Allegheny County Council |
| 9/22/2019 | Governments, students honor North Huntingdon karate instructor Bill Viola | Huba, Stephen | Pittsburgh Tribune Review |
| 9/1/2019 | Forging A Path For Half A Century | Viola, Bill | Black Belt Magazine |
| 5/14/2019 | Two Pittsburgh Tough Guys Made MMA Safe for Everyone but Themselves | Bateman, Oliver | MEL Magazine |
| 5/1/2019 | Readers Choice | Rocco, Jessica | Tribune-Review |
| 2/1/2019 | Action Athlete: North Huntingdon kickboxing kid brings home the gold | Junker, Guy | WTAE |
| 12/1/2018 | Alumni Updates | Pitt Staff | Pitt Magazine |
| 12/1/2018 | Alumni Hall | Pitt Staff | Pitt Magazine |
| 11/29/2018 | A Lifelong Journey | Peirce, Paul | Norwin Star (front page) |
| 11/11/2018 | North Huntingdon 9-year-old claims international kickboxing title | Huba, Stephen | Pittsburgh Tribune-review |
| 11/9/2018 | North Huntingdon youth claims kickboxing gold medal at Pan American championships | Kadilak, Karen | Trib Live |
| 10/27/2018 | Viola Karate – Building Champions in Life | Williams, Clem | Pittsburgh Tribune-review |
| 10/25/2018 | When Rehab Goes Right | Lammie, Nancy | Guide to Good Health |
| 10/20/2018 | Kicking for a Cure | Tafe, Nicole | In Community |
| 10/8/2018 | North Huntingdon men still kicking as martial arts masters | Peirce, Paul | Pittsburgh Tribune-review |
| 10/6/2018 | Despite medial issues, extreme heat, 3rd annual PIND 5k a hit | Carr, Dillion | Trib Live |
| 9/4/2018 | Martial artists kick their way through research fundraiser | Pickels, Mary | Trib Live |
| 8/23/2018 | Boyce Park 5K event to raise funds for Parkinson’s research | Carr, Dillion | Pittsburgh Tribune-review |
| 8/7/2018 | Karate kid Gabby Viola kicks back | Pickels, Mary | Pittsburgh Tribune-Review |
| 7/20/2018 | Allegheny Shotokan students compete at US Open World championships | Hartlep, Bill | Pittsburgh Tribune-Review |
| 7/6/2018 | THE EARLY YEARS OF MMA WERE A ‘NO-HOLDS-BARRED FREAKSHOW’ THAT COULDN’T BE MORE DIFFERENT FROM… | Bateman, Oliver | MEL Magazine |
| 6/20/2018 | Dr. Freddie Fu Gives Karate Standout a Second Chance | Viola, Bill | UPMC |
| 6/6/2018 | The Early Years of MMA Were a ‘No-Holds-Barred Freakshow’ | Bateman, Oliver | MEL Magazine |
| 4/7/2018 | Norwin’s Russell shows no weakness | Dunlap, Shane | Pittsburgh Tribune-Review |
| 4/7/2018 | Whether it’s softball or karate, Norwin’s Russell shows no weakness | Beckner, Bill | Pittsburgh Tribune-Review |
| 3/14/2018 | Perserving Tough Guys Heritage | Holtschlag, Heather | In Community |
| 2/12/2018 | Karate School Helps Needy | Napsha, Joe | Pittsburgh Tribune-Review |
| 2/1/2018 | How to Organize a Successful Tournament | Borkland, Herb | MAIA |
| 2017 | Who’s Who in Martial Arts – Legends Edition | Bowen, Jesse | Who’s Who in the Martial Arts |
| 12/23/2017 | Team Kumite earns international titles | Trib Staff | Trib Live |
| 11/30/2017 | Stepping Into The Ring: A Look At MMA’s Local Roots | Hacke, Matthew | Whirl Magazine |
| 11/11/2017 | Book and Film Chronicle Brownsville Native’s Creation of New Sport | Zuchowaki, Dave | Pennsylvania Bridges |
| 10/16/2017 | Tough Guys tops Amazon Charts as best seller MMA | Williams, Clem | Pittsburgh MMA |
| 10/11/2017 | Tough Guys’ book an inspiring read | Guth, Jonathan | Herald-Standard |
| 10/9/2017 | Mike Murray of Colliers remembers being one of the first ‘Tough Guys’ | North, Kim | Weirton Daily Times |
| 10/8/2017 | Colliers man part of ‘Tough Guys’ movie | North, Kim | Times Leader |
| 10/4/2017 | Norwin student leads fundraising efforts to “Kick Parkinson’s Disease” | Staff | Trib Live |
| 10/1/2017 | Whos Who in the Martial Arts | Bowen, Jesse | ISBN-10: 1387161539 |
| 9/21/2017 | A Tough Guy Looks Back | Himler, Jeff | Trib-Norwin Star |
| 9/15/2017 | Tough Guys Showtime Network Debut Premiere | Staff | The Palace Theater |
| 9/15/2017 | Showtime documentary proves Pittsburgh-area early mixed martial arts fighters were ‘Tough Guys’ | Sciullo, Maria | Pittsburgh Post-Gazette |
| 9/15/2017 | ‘Tough Guys’ documentary sheds welcome light on forgotten MMA tourney that pre-dates UFC 1 | Chiappetta, Mike | MMAFighting.com |
| 9/15/2017 | Tough Guys – Amazon | Viola, Bill | KCE Press |
| 9/15/2017 | Tough Guys-Showtime Network Debut Premiere | Amazon | Amazon |
| 9/15/2017 | Two locals were instrumental in first MMA event | Guth, Jonathan | Herald-Standard |
| 9/14/2017 | Mixed martial arts pioneer gets TKO in Tough Guys 1980 opener | Himler, Jeff | Pittsburgh Tribune-Review |
| 9/14/2017 | Will Zullo, Henry Roosevelt, Craig DiBiase & Jamie Crowder On Their Film, “Tough Guys” | Yahoo Staff | Yahoo Entertainment |
| 9/13/2017 | Showtime’s ‘Tough Guys’ documentary explores MMA’s early roots | Stupp, Dann | MMA Junkie |
| 9/13/2017 | MMA’s roots right back to Western PA | staff | Burghline |
| 9/12/2017 | Tough Guys’ trace MMA’s roots right back to Western PA | Harrop, Joanne | Pittsburgh Tribune-Review |
| 9/11/2017 | Before UFC, It was all about Tough Guys | Viola, Bill | Pittsburgh MMA |
| 9/10/2017 | “Tough Guys” Explores Grassroots fighting Precursosr to MMA | Gables, Rick | TV Weekly Now |
| 9/8/2017 | Tough Guys – Showtime | Showtime | Showtime |
| 9/8/2017 | New Showtime Doc Tough Guys Explores Origin of MMA | TV News Desk | Broadway World |
| 9/1/2017 | Tough Guys | Staff | Showtime |
| 8/29/2017 | Showtime to Air New ‘Tough Guys’ Documentary on Early Days of MMA | Golightly, Justin | BJPenn.com |
| 7/24/2017 | Team Kumite trio claims gold at North American Open | Karpen, Drew | Pittsburgh Tribune-Review |
| 7/17/2017 | WAKO North American Open | Corocan, John | MAIA |
| 7/8/2017 | Tough Guys’ documentary profiles local creators of MMA Viola, Caliguri | Whalen, William | Pittsburgh Tribune-Review |
| 7/2/2017 | Allegheny Shotokan named ‘top team’ at Kumite Classic | Staff | Pittsburgh Tribune-Review |
| 6/15/2017 | AFI Docs is your ticket to 3 world-premiere films | Kirby-Page, Kristen | Washington Post |
| 6/14/2017 | Morgan Spurlock producing MMA origins documentary Tough Guys | Brace, Samuel | Flickering Myth |
| 6/13/2017 | Morgan Spurlock to Exec Produce MMA Origins Documentary ‘Tough Guys’ (EXCLUSIVE) | Mcnary, Dave | Varitey |
| 6/13/2017 | Academy Award Nominated Morgan Spurlock Joins Academy Award Winner Ross Kauffman | New York (SPW) | SHOOT |
| 6/1/2017 | Wrong Place Wrong Time: The Real Birthplace of MMA | Stagliano, Matt | Skillset Magazine |
| 5/31/2017 | Photo Gallery: 18th annual Kumite Classic & Fitness Expo | Trib Staff | Trib Live |
| 5/24/2017 | Get pumped for annual Pittsburgh Fitness Expo | Trib Staff | Pittsburgh Tribune-Review |
| 5/12/2017 | AFI Doc Interviews: Tough Guys | AFI | American Film Institute |
| 5/12/2017 | AFI Docs Line Up Includes ‘Atomic Homefront,’ ‘Saving Brinton,’ ‘Tough Guys’ Premieres | Johnson, Ted | Varitey |
| 5/5/2017 | Pittsburgh Today Live | KDKA Staff | KDKA |
| 10/19/2016 | 40 Under 40: 2016 | Roddy, Dennis | Pittsburgh Magazine |
| 8/24/2016 | Book Review: Godfathers of MMA | Guerry, Matthew | Whirl Magazine |
| 7/9/2016 | Outstanding Performance | Staff | Trib-Norwin Star |
| 6/27/2016 | How Would Reebok Have Done As A Sponsor of MMA Between 1979-1983? | Madden, Dave | MMA Wreckage |
| 6/15/2016 | Alumni News | Staff | University of Pittsburgh |
| 5/12/2016 | Pittsburgh-The Birthplace of Mixed Martial Arts Matches | Staff | Popular Pittsburgh |
| 5/6/2016 | Documentary to feature Milton’s Mixed Martial Arts forefather | Little, Aaron | Santa Rosa Press Gazeette |
| 5/6/2016 | Documentary to feature Milton’s Mixed Martial Arts forefather | Little, Aaron | Gadsen Times |
| 5/1/2016 | An ‘Exponential’ Love of Fitness | Holtschlag, Heather | In Community |
| 5/1/2016 | The Evolution of Karate: 2020 Olympics | Viola, Bill | Sport Karate Illustrated |
| 2/25/2016 | Martial Art of the Month: MMA | Bulger, Jake | Kung-Fu Kingdom |
| 2/24/2016 | From the First Days in Pittsburgh, MMA has Become the Fastest Growing Sport | Pro MMA Staff | Pro MMA Now |
| 2/19/2016 | From Pittsburgh roots, MMA, UFC have grown to staggering heights | Bloom, Elizabeth | Pittsburgh Post-Gazette |
| 2/14/2016 | Jacquet Bazemore / Top kickboxer, sparring partner for Muhammad Ali | Ove, Torsten | Pittsburgh Post-Gazette |
| 2/14/2016 | RIP Jacquet Bazemore | Viola, Bill | MMAhistory.org |
| 1/14/2016 | SFLC PODCAST EPISODE 89: BILL VIOLA SR., BILL VIOLA JR. & SERENA DEJESUS | Kowal, Eric | MY MMA News |
| 1/1/2016 | Ali vs Inoki – The Forgotten Fight that Inspired MMA | Gross, Josh | BenBella Books |
| 9/15/2015 | Tough Man Contest Mike Murray Dave Jones | Staff | Steel Nation Magazine |
| 9/13/2015 | Before MMA, Tough Guys wowed fans in A-K Valley, throughout state | Steele, Jerin | Pittsburgh Tribune-Review |
| 7/30/2015 | Dana Double Day | Viola, Bill | MMAhistory.org |
| 7/11/2015 | Mixed Martial Arts come to Meadows | Mathurin, Desiree | Pittsburgh Post-Gazette |
| 7/9/2015 | Outstanding Team | Trib Staff | Trib Live |
| 6/25/2015 | Godfathers of MMA | Viola, Bill | Amazon |
| 6/25/2015 | Godfather of MMA – Amazon | Viola, Bill | Amazon |
| 5/19/2015 | Pittsburgh Fitness Expo returning to Monroeville | Love, Mike | Pittsburgh Tribune-Review |
| 4/14/2015 | Godfathers of MMA – Birth of an American Sport | Etheridge, Pagie | Osu Magazine |
| 3/17/2015 | Family Traditions | Jones, Rachel | Whirl Magazine |
| 3/1/2015 | Lord of the Ring – World Champion Ali Viola | Q & A | Sport Karate Illustrated |
| 2/12/2015 | Karate kids: Viola family keeps kicking at World Games | Zuchowski, Dave | Pittburgh Post-Gazette |
| 2/10/2015 | Law student succeeds at Sport Karate World Games | Cardone, Jenn | Duquesne Duke |
| 2/9/2015 | For family, martial arts ‘in the DNA’ | Pickels, Mary | Trib Live |
| 2/8/2015 | Duquesne University law student adds world martial arts titles to resume | Pickels, Mary | Pittsburgh Tribune-Review |
| 1/30/2015 | Big Muscle in Steel City | Hawk, Dave | Muscle & Body |
| 1/14/2015 | Penn-Trafford sophomore World Karate Tournament | Smith, Nathan | Trib Live |
| 5/1/2014 | 15th Annual Pittsburgh Fitness Expo | Staff | Western PA Guide to Good Health |
| 1/22/2014 | Mt. Pleasant author helps examine mixed martial arts | Panian, A.J. | Mount Plesant Journal |
| 1/16/2014 | Team Kumite has ‘unprecedented’ success | Gulasy, Doug | Pittsburgh Tribune-Review |
| 11/7/2013 | Godfather’s Of MMA | Staff | Strength Figther |
| 11/1/2013 | MMA’s Forgotten Forefathers | Cartey, Richard | Fighters Only Magazine |
| 9/18/2013 | Kumite Karate Klassic celebrates 10 years | rtmadminnpc | New Pittsburgh Courier |
| 9/13/2013 | CHAMPIONS GATHER | Neal, Bill | PGH Courier |
| 7/10/2013 | Martial arts workout touted as packing a punch | Gulasy, Doug | Pittsburgh Tribune-Review |
| 5/22/2013 | Kumite Classic Kicks it up a Notch | Schrecengost, Dave | Pittsburgh Tribune-Review |
| 4/20/2013 | Former Steelers wide receiver Ward honors local high school athletes | Price, Karen | Pittsburgh Tribune-Review |
| 1/25/2013 | Leader earns top karate honor | Adamski, Chris | Pittsburgh Tribune-Review |
| 10/24/2012 | The Martial Chronicles: Before Fighting Was Ultimate It Was Super | Nash, John | SB Nation |
| 10/1/2012 | Hines Ward Show | Ward, Hines | WPXI |
| 8/23/2012 | Battle of Superfighters (Tough Guys the Real Beginings of MMA in America | Cartey, Richard | Fighters Only |
| 5/30/2012 | Fitness and martial-arts enthusiasts pack Convention Center for Kumite Classic | Love, Michael | Trib Live |
| 5/29/2012 | 2012 Kumite Classic with Antonio Brown | Trib Staff | Trib Live |
| 5/23/2012 | The Martial Chronicles: Before Fighting Was Ultimate It Was Super | Nash, John | Bloody Elbow |
| 5/9/2012 | Norwin’s Leader, Kemp pull down Positive Athlete Awards | Trib Staff | Trib Live |
| 4/29/2012 | Norwin junior seeks karate championship | Harvath, Les | Pittsburgh Tribune-Review |
| 4/21/2012 | 26 Honored At Western Pa. Positive Athlete Awards | KDKA Staff | KDKA |
| 3/1/2012 | 2012 Positive Athletes | Ward, Hines | Positive Athlete |
| 1/1/2012 | Exhibit Must-Sees | Madarasz, Ann | Western PA Sports Museum |
| 12/4/2011 | Cal U Milestones | California University | Cal U Review |
| 12/20/2011 | Pioneers of MMA | Madarasz, Ann | Heinz History Center |
| 12/5/2011 | Viola Honored for role with early MMA | Grubba, Matt | Trib Live |
| 12/1/2011 | Pittsburgh MVP | Staff | Champions Association |
| 10/1/2011 | Tough Guys | Madarasz, Ann | Western Pennsylvania History: Fall 2011, 8-9 |
| 10/1/2011 | New Sports Museum Display Explores Local Roots of Mixed Martial Arts | Madarasz, Ann | Senator John Heinz History Center Newsletter |
| 10/1/2011 | Local karate students compete in Ohio | Trib staff | Norwin Star |
| 7/4/2011 | Viola Honored As Mixed Martial Arts Innovator | Santa, John | Pittsburgh Tribune-Review |
| 6/24/2011 | MMA roots were planted in New Kensington | Werner, Sam | Pittsburgh Post-Gazette |
| 6/23/2011 | Caliguri and Viola history honored | Kogut, Paul | Trib Live |
| 6/22/2011 | UFC makes long-waited Pittsburgh debut | Stefano, Dan | Pittsburgh Tribune-Review |
| 1/14/2011 | Norwin junior claims a sport karate world title | Trib Staff | Trib Live |
| 1/6/2011 | Karate coach Bill Viola recognized by peers | Hartlep, Bill | Trib Live |
| 12/29/2010 | Christmas Kumite | Trib Staff | Norwin Star |
| 8/24/2010 | The Zuffa Myth and UFC auteur theory | Rossen, Jake | ESPN |
| 5/27/2010 | MMA Trailblazers to be honored at Caged Kumite | Hartlep, Bill | Trib-Norwin Star |
| 5/25/2009 | Kumite Karate Klassic celebrates 10 years | Neal, Bill | New Pittsburgh Courier |
| 3/26/2009 | Viola’s Bring MMA Back to Pittsburgh | Hartlep, Bill | Pittsburgh Tribune-Review |
| 1/15/2009 | Illness doesn’t deter karate champion | Dudurich, Mike | Pittsburgh Tribune-Review |
| 12/26/2007 | 1997 Sports Champions | NGB Reports | Slam sports |
| 5/15/2007 | Festival puts emphasis on physical fitness | Kelly, Jack | Pittsburgh Post-Gazette |
| 5/25/2005 | North Huntingdon Twp. Promoter heads Pittsburgh Sports and Fitness Festival | Cloonan, Patrick | Daily News |
| 6/13/2002 | Karate instructor passionate about foundation | Dopirak, Dustin | Pittsburgh Tribune-Review |
| 7/22/2001 | Viola poised to provide karate scholarships to youth | Hunger, Brian | Pittsburgh Tribune-Review |
| 11/4/2000 | North Huntingdon Township man hopes to hit it big in Tinsel Town | Wertz, Marjorie | Pittsburgh Tribune-Review |
| 11/1/2000 | Former Karate Champion Makes Transition to Music Video | Schofield, Melissa | Pittburgh Post-Gazette |
| 8/15/1999 | Karate duo’s dreams crash before nationals | Iovino, Jim | Pittsburgh Tribune-Review |
| 8/9/1999 | U.S. Karate Team Caputres Gold in Kumite | Staff | USOC Press |
| 3/4/1998 | Fivesome May Kick its Way to Title | MacGregor, Adam | Pittsburgh Post-Gazette |
| 2/23/1997 | Schwarzenegger Selects Irwin Karate School for Festival | Robertson, Scott | Pittsburgh Post-Gazette |
| 4/1/1993 | Laurel State Champions | Staff | Standard Observer |
| 5/5/1987 | Norwin’s Karate Kid is Making Mark in World | Haky, Mike | Daily News |
| 4/9/1987 | Norwin Student Gets a Kick from Karate | Ove, Torsten | Pittsburgh Press |
| 4/5/1987 | Karate Kid Alive and Well in North Huntingdon | Junker, Guy | WTAE |
