H. S. K.  Donisthorpe, The guests of British ants: their habits and life-histories. London: George Routledge & Sons, 1927, p. xiii + 244 pp.

H.  Audcent, ?Notes on the Diptera of Somerset?, Proceedings of the Somersetshire Archaeological and Natural History Society, vol. 73, pp. 111-120, 1927.