This section contains materials relating to Joseph Needham’s study of the Chinese language. Of course Needham knew that without a high level of knowledge of Chinese, he had would never fully understand the original sources for the history of science and technology. He embarked on his Chinese studies in the late 1930s, with the help of Prof. Gustav Haloun of the University of Cambridge and Lu Gwei-Djen. The documents in this section include notebooks and annotated reference books.