From among the materials of Masao Ota, in the Library of Tokyo University, a letter (1931) was found from Isamu Miyake, prof. of Dermatology, Kumamoto Medical College. Its contents was some information on Kaisyun Hospital (The Kumamoto Hospital of the Resurrection of Hope, leprosy hospital), A calendar (the 1930s) of Kaisyun Hospital was also found in Riddell & Wright's Memorial Museum. This calendar was written in English, and it was to ask for the British and American sponsors to contribute. It includes a lot of articles related to leprosy like Riddell's article. Some new findings related to leprosy at that time were recognized from this calendar.