Volume 1 (2016)
Volume 2 (2017)
Volume 3 (2018)
Volume 4 (2019)
Volume 5 (2020)
Volume 6 (2021)
Volume 7 (2022)
Volume 8 (2023)
Volume 9 (2024)
Papers can also be downloaded individually from the Kyushu University Library website. A small number of free printed volumes are available for contributors, libraries, and individuals.