般若心经祕键 (般若心經祕鍵) bān ruò xīn jīng mì jiàn

bān ruò xīn jīng mì jiàn proper noun Hanya Shingyō hiken; The Secret Key of the Heart Sutra
Domain: Buddhism 佛教 , Subdomain: Japan , Concept: Canonical Text 典籍
Notes: Title of a work written by 空海 Kūkai (FGDB '空海'; Hakeda 1972, pp. 262-275)