Notebook of J B S Haldane containing for the most part notes of, and references to, articles in scientific and other learned periodicals., 1955-1957., MS.20622. Correspondence, papers and notebooks of J B S Haldane and correspondence and papers of his second wife Helen, née Spurway., MSS.20534-20654. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/44338 Accessed September 24, 2024.