== Extraordinary Popular Delusions and the Madness of Crowds ==
This seminal work should definitely be referenced on this page: Extraordinary Popular Delusions and the Madness of Crowds is an early study of crowd psychology by Scottish journalist Charles Mackay, first published in 1841 https://en.wikipedia.org/wiki/Extraordinary_Popular_Delusions_and_the_Madness_of_Crowds[[Special:Contributions/92.7.110.131|92.7.110.131]] ([[User talk:92.7.110.131|talk]]) 12:34, 7 October 2019 (UTC)