Here’s a reading list.
A Short Introduction to the History of Human Stupidity, Walter B Pitkin (1934)
Über die Dummheit, Leopold Löwenfeld (1909)
Aus der Geschichte der menschlichen Dummheit, Max Kemmerich (1912)
The Basic Laws of Human Stupidity, Carlo M Cipolla (1988)
Understanding Stupidity, James Welles (1986)
References to these titles can be found in the invaluable The Power of Stupidity, an essay (with handy diagram) by Giancarlo Livraghi.
Not to forget: Ãœber die Dummheit, Robert Musil (1937)
Thanks for mentioning my book.)))