Both Fong Shu Chuen and Fong Yun Wah wrote on a letter with the heading Fong Shu Fook Tong Foundation Fund Ltd. [Fang shu fu tang ji jin you xian gong si 方樹福堂基金有限公司] and Shepherd Publishing Company Ltd. [Shu fu wen hua shi ye you xian gong si 樹福文化事業有限公司]. The letter congratulates Joseph Needham on his honorary Doctorate of Physics. A letter written in Chinese from She Yeyu [舍也愚] 'Written to my friends' concerns mathematics, the fascinating nature of numbers, with many abstract concepts culminating in a quotation from Laozi, Hong Kong, dated 3 Aug 1983. The seal affixed to both the English letter and the Chinese letter has the seal of Y. W. Fong [Fang Runhua 方潤華].