Index of Japanese Sword Literature v. 0.12, compiled by Grey Doffin. Hosted by The Japanese Sword Society of the United States : view entry number 61 in 'Citation Keys'

entry from table Citation Keys

Yushu-to Zuroku. (Yushu Saku) Yoshikawa, N.T.H.K. #1-1979, #2-1982, #3-1995. #4 is 2015 from NTHK-NPO

Index of Japanese Sword Literature compiled by Grey Doffin Hosted by the Japanese Sword Society of the United States