“…The psychiatric literature has tended to focus almost exclusively on querulous behaviour as it manifests as part of paranoid or delusional disorders (Astrup, 1984;Johanson, 1964;Kolle, 1931;Munro, 1999;Pang, Ungvari, Lum, Lai, Leung, 1996;Refsum, 1983;Ungvari, 1995;Winokur, 1977). Though classical psychiatry recognized that the querulous were not necessarily psychotic, and that the condition could represent a psychogenic reaction (Jaspers, 1923;Kraepelin, 1904) the terminology betrays the centrality of delusion with labels such as querulant paranoia (Kraepelin, 1904), paranoia querulantium (von Krafft-Ebbing, 1879), and litigious paranoia (Goldstein, 1995).…”