The related documents comprise Joseph Needham's typed and manuscript notes on the paper prior to its publication, 6 October 1957; correspondence with Bodde about the article; copy of the appendix and 'Comment by Joseph Needham' to be added to the article before publication; letter from John L. Bishop, Editor of the 'Harvard Journal of Asiatic Studies' asking for Needham's permission to publish the Appendix, 9 December, 1957; copy of a letter from Hans Rademacher of Harvard University commenting on the article, 12 May 1959.