Loudcher, Jean-François; Faurillon, Christian (2017). "The influence of French gymnastics and military French boxing on the creation of modern karate (1867-1914)". Martial Arts Studies. 11 (11): 80-11. doi:10.18573/mas.135. ISSN2057-5696.
Loudcher, Jean-François; Faurillon, Christian (2017). "The influence of French gymnastics and military French boxing on the creation of modern karate (1867-1914)". Martial Arts Studies. 11 (11): 80-11. doi:10.18573/mas.135. ISSN2057-5696.