^Chico Marx, Stage and Film Comedian, Dies at 70; Oldest of 5 Brothers Took Role of Italian Piano Player. Team Business manager.. 紐約時報. 1961年10月12日.使用|accessdate=需要含有|url= (帮助)
^Harpo Marx, the Silent Comedian, Is Dead at 70; Blond-Wigged, Horn-Tooting Star Scored on Stage and in Films With Brothers Harpo Marx, Silent Comedian, Dies.. 紐約時報. 1964年9月29日 星期二. Harpo Marx, the blond-wigged, nonspeaking member of the Marx Brothers team, died tonight at 8:30 in Mount Sinai Hospital. He was 70 years old.请检查|date=中的日期值 (帮助); 使用|accessdate=需要含有|url= (帮助)
^Groucho Marx, Comedian, Dead. Movie Star and TV Host Was 86. Master of the Insult Groucho Marx, Film Comedian and Host of 'You Bet Your Life,' Dies.. 紐約時報. 1977年8月20日 星期六. 洛杉磯 1977年8月19日Groucho Marx, the comedian, died tonight at the Cedar Sinai Medical Center here after failing to recover from a respiratory ailment that hospitalized him June 22. He was 86 years old.请检查|date=中的日期值 (帮助); 使用|accessdate=需要含有|url= (帮助)
^Gummo Marx, Managed Comedians.. 紐約時報. 棕榈泉 1977年4月21日 (路透社) Gummo Marks, an original member of the Marx brothers' comedy team, died here today. He was 84 years old.使用|accessdate=需要含有|url= (帮助)
^Zeppo Marx Dies on Coast at 78; Last Survivor of Comedy Team; 'Tired of Being a Stooge'.. 紐約時報. 1979年12月1日. Zeppo Marx, the surviving member of the Marx Brothers comedy team who left the quartet in 1934 for other businesses, died yesterday at Eisenhower Medical Center in Palm Springs, Calif. The youngest of the brothers, he was 78 years old and had lived in Pal...使用|accessdate=需要含有|url= (帮助)