: These are made of traditional Washi paper (mulberry bark).
: This could be a reference to a specific numbered piece (e.g., Akari 9A) or a chapter in a retrospective paper about his work during the post-war era. 2. Buddhist or Philosophical Symbolism 9 : Days of Peace and Ease
: It may refer to a specific instructional paper or "Sutra" regarding a 9-day meditation retreat aimed at achieving "Peace and Ease" (often termed Sukha ). : These are made of traditional Washi paper (mulberry bark)