Bellairs, George (10 December 2016). The dead shall be raised; The murder of a quack. London. pp. 7–10. ISBN978-0-7123-5652-7. OCLC969394801.{{cite book}}: CS1 maint: location missing publisher (link)
Reilly, John, M. (2015). Twentieth Century Crime and Mystery Writers. London: Palgrave Macmillan Limited. ISBN978-1-349-81366-7. OCLC1084369094.{{cite book}}: CS1 maint: multiple names: authors list (link)