Intervista con Koretoshi Maruyama Sensei - Interview with Koretoshi Maruyama Sensei
Interview with Koretoshi Maruyama Sensei - 20th Aikido Yuishinkai anniversary.
Master Koretoshi Maruyama, Aikido Yuishinkai Seminar 2008
Maruyama Koretoshi, Aikido Demonstration, Australia 1987
Speech Maruyama Sensei at the 20 year anniversary of Aikido Yuishinkai 02-04-2016 part 2
Master Koretoshi Maruyama - Aikido with Heart
Maruyama Koretoshi weapons tori
Master Koretoshi Maruyama Peace in mind
Master Koretoshi Maruyama - Ushirodori Techniek
Dutch national tv interview with Maruyama Sensei during the Aikido Yuishinkai seminar in 2009
Speech Maruyama Sensei at the 20 year anniversary of Aikido Yuishinkai 02-04-2016 part 1
Koretoshi Maruyama, futari sannin gonin waza, Australia 1987
Aikido Yuishinkai/Maruyama Sensei short demo
Koretoshi Maruyama - Freewielding Sword
Maruyama Koretoshi Master Teaches Jo Kata Shooting Star, part 5
Master Koretoshi Maruyama Jo Kata 2 Butterfly Aikido Yuishinkai
Maruyama Koretoshi Master Teaches Jo Kata Shooting Star, part 2
Aikido Yuishinkai Alkmaar Training 16-06-2012
Aikido
Maruyama Koretoshi Master Teaches Jo Kata Shooting Star, part 3