Arthur Dampier May (1857–1916)
Artist. Made two drawings of dogs used in Expression, pp. 54 and 55. Friend of Samuel Butler (1835–1902).
BMD (Birth index)
Correspondence vol. 20, letter from Samuel Butler to Francis Darwin, [before 30 May 1872])
England & Wales, national probate calendar (index of wills and administrations), 1858–1966, 1973–95 (Ancestry.com, accessed 2 January 2018)
Expression, pp. 54, 55