Dowbiggin, I. (2001). "'A Prey on Normal People': C. Killick Millard and the Euthanasia Movement in Great Britain, 1930–55". Journal of Contemporary History. 36 (1): 59–85. doi:10.1177/002200940103600103. PMID18077891. S2CID2750537.
Dowbiggin, I. (2001). "'A Prey on Normal People': C. Killick Millard and the Euthanasia Movement in Great Britain, 1930–55". Journal of Contemporary History. 36 (1): 59–85. doi:10.1177/002200940103600103. PMID18077891. S2CID2750537.
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Dowbiggin, I. (2001). "'A Prey on Normal People': C. Killick Millard and the Euthanasia Movement in Great Britain, 1930–55". Journal of Contemporary History. 36 (1): 59–85. doi:10.1177/002200940103600103. PMID18077891. S2CID2750537.