The space-threshold of colours and its dependence upon contrast [microform] : first article
Lane, Wilmot B. (Wilmot Burkemar), b. 1871; Baird, John Wallace, 1869-1919. A case of abnormal colour-sense examined with special reference to the space-threshold of colours; Richardson, R. J. (Robert John). A case of abnormal colour-sense examined with special reference to the space-threshold of colours; Kirschmann, A. (August), 1860-1932. Additional remarks on colour- blindness