(en) Jennifer Frost, « 'GOOD RIDDANCE TO BAD COMPANY': HEDDA HOPPER, HOLLYWOOD GOSSIP, AND THE CAMPAIGN AGAINST CHARLIE CHAPLIN, 1940-1952 », Australasian Journal of American Studies, , p. 74 (lire en ligne)
vanityfair.com
(en) Amy Fine Collins, « The Powerful Rivalry of Hedda Hopper and Louella Parsons », Vanity Fair, (lire en ligne)
viu.ca
web.viu.ca
(en) John Sbardellati et Tony Shaw, « Booting a Tramp: Charlie Chaplin, the FBI, and the Construction of the Subversive Image in Red Scare America », The Pacific Historical Review, Vol. 72, No. 4, , p. 507-508 (lire en ligne)