The contribution was entitled 'The Inner Elixir (Nei Tan); Chinese Physiological Alchemy'. The documents comprise 2 drafts of the paper; lists of Chinese characters for the paper; copy of a letter from Lu to Dr. Mikulas Teich, originally accompanying a copy of her contribution; letter from Paul Richardson of Heineman Educational Books Ltd to Lu, about the correction of proofs for the contribution; copy of Lu's reply to Richardson.