Photographs, note and letter, Sumet Jumsai and Joseph Needham書梅春塞與李約瑟的照片、摘要及信件
25 January 1981–1994
Includes photographs of Joseph Needham attending Sumet Jumsai's lecture in Cambridge in 1993, a letter from Joseph Needham to Sumet Jumsai with Ted Benfey's paper attached, and an introduction of Sumet Jumsai from The Architectural Society of China.