Ogawa, S., Akutsu, K., Sugimoto, R., Saiki, H., Ikawa, Y., Tsuboi, M. Julkaisussa Association for the Scientific Studies on Judo, Kodokan (1963) “...Sugimoto, R....”
Ogawa, S., Imada, Y., Akutsu, K., Yoshino, S., Sugimoto, R., Seki, T. Julkaisussa Association for the Scientific Studies on Judo, Kodokan (1958) “...Sugimoto, R....”