- plural form of claustrophobia
- Angus Wilson, The World of Charles Dickens (1970) p. 110.
- Otto Fenichel, Psychoanalytic Theory of Neurosis: International Library of Psychology (1999) p. 202.
- Claustrophobias and fears of suffocation are often specially directed against fantasies of being in the mother's womb.
- David H Barlow, Anxiety and Its Disorders: The Nature and Treatment of Anxiety and Panic (2002) p. 240