New video shows mob of Yale students encircling professor and angrily demanding an apology after he told them to 'just look away' if they were offended by racist Halloween costumes | Daily
Yale students shouted down professor who allowed offensive Halloween costumes | Daily Mail Online
Yale University - Wikiwand
UNESCO and the Strange Career of Multiculturalism
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New Video of Last Year's Yale Halloween Costume Confrontation Emerges | The Foundation for Individual Rights and Expression
What is the backstory to the 2015 Halloween race controversy at Yale? - Quora
What is the backstory to the 2015 Halloween race controversy at Yale? - Quora