Dowbiggin, I. (2001). «'A Prey on Normal People': C. Killick Millard and the Euthanasia Movement in Great Britain, 1930-55». Journal of Contemporary History36 (1): 59-85. PMID18077891. doi:10.1177/002200940103600103.
Dowbiggin, I. (2001). «'A Prey on Normal People': C. Killick Millard and the Euthanasia Movement in Great Britain, 1930-55». Journal of Contemporary History36 (1): 59-85. PMID18077891. doi:10.1177/002200940103600103.