Emil Kraepelin and Bernard also wrote of erotomania and more recently, Winokur, Kendler, and Munro have contributed to knowledge on the disorder.G. E. Berrios and N. Kennedy outlined in Erotomania: a conceptual history (2002) several periods of history through which the definition of erotomania has changed considerably:

Classical times – early eighteenth century: General disease caused by unrequited love
Early eighteenth-beginning of nineteenth century: Practise of excess physical love (akin to nymphomania or satyriasis)
Early nineteenth century – beginning twentieth century: Unrequited love as a form of mental disease
Early twentieth century – present: Delusional belief of "being loved by someone else"In one case, erotomania was reported in a patient who had undergone surgery for a ruptured cerebral aneurysm. Well-known cases
In his paper that described the syndrome, de Clérambault referenced a patient he had counselled who was obsessed with British monarch George V. She had stood outside Buckingham Palace for hours at a time, believing that the king was communicating his desire for her by moving the curtains.Parallels were drawn between this and a 2011 case where the body of a homeless American man was found on a secluded island in St James Park, within sight of Buckingham Palace. The man had sent hundreds of "strange and offensive" packages to Queen Elizabeth II over the previous fifteen years.The attempted assassination of United States president Ronald Reagan by John Hinckley Jr. has been reported to have been driven by an erotomaniac fixation on actress Jodie Foster, whom Hinckley was attempting to impress.
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Seeman M.V. (2016). "Erotomania and recommendations for treatment". Psychiatric Quarterly. 87 (2): 355–364. doi:10.1007/s11126-015-9392-0. PMID 26442945. S2CID 13059293. Segal J.H. (1989). "Erotomania revisited: From Kraepelin to DSM-III-R". The American Journal of Psychiatry. 146 (10): 1261–6. doi:10.1176/ajp.146.10.1261. PMID 2675641.