Genius – failure? William Sidis The Strange Side of Jewish History

24 of the smartest people who ever lived - Big Think

The Prodigy: A Biography of William James Sidis, America's Greatest Child Prodigy by Amy Wallace

Why did the most intelligent man in the world (William James Sidis) leave nothing relevant in the World of Mathematics or other disciplines? - Quora

General history of Africa, X: Africa and its diasporas

Sigmund Freud - Crystalinks

A Tortured Genius. William James Sidis, born (1898) was an…, by Kerianne Sheree

Bookride: 2010

Did William James Sidis really have an IQ of 250-300? - Quora

The Tragedy of William Sidis: A Genius Who Could Have Changed the World

Sidis Biography