Notebook of J B S Haldane containing notes and sketches from lectures on zoology by E S Goodrich which Haldane attended as a supplement to his mathematical studies at New College, Oxford., 1911-1912., MS.20576. 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/44201 Accessed September 23, 2024.