Cumming, J.; Sinclair, B. J.; Brooks, S. E.; O'Hara, J. E.; Skevington, J. H. 2011: The history of dipterology at the Canadian National Collection of insects, with special refernce to the Manual of Nearctic Diptera. The Canadian Entomologist, Ottawa 143, S. 539-577, B15:10219, pp. 542
Henshaw, D. 2003: Kenneth Angus Spencer 1916-2002. British Journal of Entomology and Natural History, London 16 (3), S. 205-207, B15 10207
Spencer, K. A. 1992: Flycatcher. Memoirs of an amateur entomologist. SPD Acad. Publishing, VII+414, Portr. + Schr.verz. S.