4 appears hi-res stock photography and images - Alamy
Behind the Salomon Brothers Buyout (Fortune, 1981) | Fortune
Behind the Salomon Brothers Buyout (Fortune, 1981) | Fortune
Citigroup Secretary Accused of Embezzling From Boss - The New York Times
John Gutfreund: 'King of Wall Street' who transformed Salomon Brothers into one of the world's most profitable investment banks | The Independent | The Independent