This letter is written in Chinese on Shanghai People’s Press [Shang hai ren min chu ban she 上海人民出版社] stationery saying that his son Youqin [ 幼琴] had sent two seals by Sun Zhongwei [孙仲威], one for Joseph Needham and one for Lu Gwei-Djen, and that he had sent 10 copies of ‘Nature’ to him and wondered if they had arrived. He also said he would telephone.