Price was co-author of 'Heavenly Clockwork' with Wang Ling and Joseph Needham. The documents include a letter from Anthony Michaelis of London advising Needham of Price's death, 4 September 1983; letter from Price looking forward to visiting Needham and to Needham's forthcoming visit to the U.S.A., 11 August 1983, (Needham notes 'Received 6 Sept. the day the news of his death came'); letter from Christian Crone of the University of Copenhagen, Denmark, about the death, 10 October 1983; copy of a letter from Needham to Price's widow, Ellen, expressing condolences, 8 January 1984; letter of reply from Ellen Price, discussing her husbnad's life and his work with Needham, 21 February 1984; letter from Prof. Zhao Hong-Zhou [趙紅州 / Chao Hung-chou] of Academia Sinicia asking Needham to contribute to a 'Derek Price Memorial Symposium', 3 March 1984; copy of Needham's reply to Zhao, 4 April 1984; copy of an article published in the Chinese journal 《科學學與科學技術管理》in memoriam of Price; copy of a translation of Needham's letter to Zhao as published in the journal.