František Trnka – Wikipedie
U.S. men earn No. 1 seed for team finals at World Senior Championships – bowlingdigital.com
BK CityBowling Poprad – ESBC 2014 Helsinky
Six players crack the top 10 Thursday at BNC Open in Bratislava | bowlingdigital.com
2017 :: Slovakia Old School Bowling Cup 2023
2017 :: Slovakia Old School Bowling Cup 2023
U.S. men earn No. 1 seed for team finals at World Senior Championships – bowlingdigital.com
Zemřel emeritní děkan FaME UTB František Trnka. Bylo mu 90 let - Zlínský deník
Prešporský Eliminátor 2021/2022, 10. kolo, Bratislava
U.S. men earn No. 1 seed for team finals at World Senior Championships – bowlingdigital.com
Česká bowlingová asociace
U.S. men earn No. 1 seed for team finals at World Senior Championships – bowlingdigital.com
World Fly Fishing Championships - Wikiwand
2017 :: Slovakia Old School Bowling Cup 2023
www.seniorbowling.cz - Slovak Old School - Slovak Old School 2017 - výsledky, komentář
www.seniorbowling.cz - Slovak Old School - Slovak Old School 2017 - výsledky, komentář
Prešporský Eliminátor 2021/2022, 10. kolo, Bratislava
Summer Bowling Tournament 2022, Bratislava
Slovak Catholic Falcon
BK CityBowling Poprad – ESBC 2014 Helsinky
Patrick Backe wins qualifying of the BNC Open in Slovakia | bowlingdigital.com
2017 :: Slovakia Old School Bowling Cup 2023
Inside Happy and Blessed Thanksgiving 2017
U.S. men earn No. 1 seed for team finals at World Senior Championships – bowlingdigital.com
2017 :: Slovakia Old School Bowling Cup 2023
Another four players crack the 1400-mark at BNC Open | bowlingdigital.com
BNC Follow Me 2023, Bratislava
