1. CroninAJ The Citadel. London: Gollancz, 1937, 65–70.
2. CroninAJ Adventures in Two Worlds. London: Gollancz, 1952, 72–8.
3. Myxoedematous Madness
4. Report of a committee of the Clinical Society of London nominated Dec. 1, 1883 to investigate the subject of myxoedema. Clin Soc Trans 1888; 21(suppl).