Citations: Bruce-Chwatt 1973: [Christophers, S. R.] The Transactions of the Royal Entomological Society of London, London 125 (3), B15 10001, pp. 253-256, Portr.
Gilbert, P. 2007: A Source Book for Biographical Literature on Entomologists Leiden, Backhuys Publishers, 694 S., A 2972, pp. 106
Gillett, J. D. 1978: [Christophers, S. R.] Antenna : Bulletin of the Royal Entomological Society of London, London 2 (2), B15 12105, pp. 33, Portr.