"1913年（大正2年）には新海忠厚から窪田派民弥流剣術を学んだ。"

"Later Konishi studied Karate with Motobu Chōki and Mabuni Kenwa."

"東京では、船越義珍の門弟でもあった小西康裕（後に神道自然流を開く）が中心となり、本部朝基後援会が結成された。"

"1924年（大正13年）に船越義珍から空手を学んだ。"

"When he [Konishi] met Funakoshi Gichin in June 1925, he was finally able to learn Karate. However, since its contents was only Kata, together with Ōtsuka Hironori 大塚博紀 (1892–1982, founder of Wadō-ryū Karate-dō and Jūjutsu Kenpō) who was also a disciple of Funakoshi, Konishi began to devise Yakusoku Kumite 約束組手 and the like. Later Konishi studied Karate with Motobu Chōki and Mabuni Kenwa."

"While at Keio, he began studying judo under Kunisaburo Iizuka, an 8th dan judoist who also taught at the Kodokan."

"In particular, he studied judo under Kunisaburo Iizuka, one of Japan's top collegiate coaches at the time."

"From 1931 to 1932 Kenneth studied under Kunisaburo Iizuka, 8-dan, and original student of Kano Sensei in Tokyo, Japan"

"In 1932 he went to Japan to train at Keio University under the instruction of Kunisaburo Iizuka, 8 dan at the time"