Thomas Overbeck (17 November 2015). "Junior World Championships down to finals". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 16 December 2017. Retrieved 26 July 2017.
Thomas Overbeck (7 August 2016). "Tkach and Sniegocki win the Euro-Tour". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 10 October 2017. Retrieved 26 July 2017.
Thomas Overbeck (3 November 2017). "Triple Gold for team Europe". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 7 November 2017. Retrieved 4 November 2017.
Thomas Overbeck (17 November 2015). "Junior World Championships down to finals". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 16 December 2017. Retrieved 26 July 2017.
Thomas Overbeck (7 August 2016). "Tkach and Sniegocki win the Euro-Tour". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 10 October 2017. Retrieved 26 July 2017.
Thomas Overbeck (3 November 2017). "Triple Gold for team Europe". europeanpocketbilliardfederation.com. European Pocket Billiard Federation. Archived from the original on 7 November 2017. Retrieved 4 November 2017.