At Columbia, Student Protesters Say They Were Attacked With Chemicals - The New York Times

Pro-Palestinian demonstrators targeted by apparent stink bomb at Columbia University - ABC News

NYPD investigating claims that pro-Palestinian protesters at Columbia were hit by 'foul-smelling' spray - New York Jewish Week

Jewish Columbia student sues university following anti-Israel march

NYPD investigates alleged chemical attack on pro-Palestinian protesters - The Washington Post

Columbia Students Allegedly Sprayed With Putrid Chemical at Pro-Palestine Rally

1968: Fifty Years Later

Denouncing Israel as 'The New Nazi Germany,' Hundreds Protest Outside Columbia University - U.S. News

Columbia Not Supporting Pro-Palestine Students Attacked by Chemical Weapon on Campus

Protesters allegedly sprayed with hazardous chemical at pro-Palestinian rally, nearly two dozen report

Columbia University President Faces Difficult Road Ahead as Students Protest on Campus - The New York Times

New York educators horrified by Zionist chemical attack on Columbia University students - World Socialist Web Site