Motobu Chōki (English Wikipedia)

Motobu 2020, p. 179. Motobu, Choki (2020) [1932]. Quast, Andreas (ed.). Watashi no Karatejutsu 私の唐手術 [My Art and Skill of Karate]. Translated by Quast, Andreas; Motobu, Naoki. Independently Published. ISBN 979-8-6013-6475-1.
Motobu 2020, p. 180. Motobu, Choki (2020) [1932]. Quast, Andreas (ed.). Watashi no Karatejutsu 私の唐手術 [My Art and Skill of Karate]. Translated by Quast, Andreas; Motobu, Naoki. Independently Published. ISBN 979-8-6013-6475-1.
Motobu 2020, p. 35. Motobu, Choki (2020) [1932]. Quast, Andreas (ed.). Watashi no Karatejutsu 私の唐手術 [My Art and Skill of Karate]. Translated by Quast, Andreas; Motobu, Naoki. Independently Published. ISBN 979-8-6013-6475-1.
Motobu 2020, p. 199. Motobu, Choki (2020) [1932]. Quast, Andreas (ed.). Watashi no Karatejutsu 私の唐手術 [My Art and Skill of Karate]. Translated by Quast, Andreas; Motobu, Naoki. Independently Published. ISBN 979-8-6013-6475-1.

karatebyjesse.com (Global: low place; English: low place)

Motobu 2007, p. 50. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
"Interviews with Respected Elder Bushi, Choki Motobu Regarding Real Self-Defense - (Jissen) Episodes". Motobu-ryu. Ryukyu Shimpo. Retrieved 5 September 2022.
Motobu 2007, p. 51. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
Motobu 2007, pp. 52–53. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
Motobu 2007, p. 55. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.

Yokomoto, Isekichi (March 1927). "A Companion's Account of Ryūkyū and Kyūshū". Sakkō. 6 (3). Kōdōkan Cultural Association: 34, 35.

Motobu 2007, p. 50. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
Motobu 2007, p. 51. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
Motobu 2009, p. 33. Motobu, Chosei (2009). "Memories of My Father, Choki Motobu". Classical Fighting Arts Magazine (40). Dragon Associates Inc. ISSN 1547-416X.
Motobu 2007, pp. 52–53. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.
Motobu 2007, p. 55. Motobu, Choki (2007) [1936]. "Bushi Motobu Chōki Ō ni 'Jissen-dan' o Kiku!" 武士・本部朝基翁に「実戦談」を聴く！ [Choki Motobu's Lost Interviews from 1936]. Classical Fighting Arts Magazine (34). Translated by Asai Ferreira, Kiko. Dragon Associates Inc. ISSN 1547-416X.