: 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 ).

: If this is part of a university "working paper" series, it likely represents the 9th entry in a collection focused on Humanities or Social Stability .

: It could be a description of a specific handmade paper grade used for Zen art, where the "9" denotes the texture or weight. 3. Historical or Literary Archives

9 : Days of Peace and Ease