Morley, Sheridan. "Noël Coward", Noël Coward. Retrieved 5 April 2020
galegroup.com
infotrac.galegroup.com
Contemporary Authors Online, Thomson Gale, 2004, accessed 30 December 2008: requires subscription; and Noel Coward at the IMDB database, accessed 12 March 2009
Contemporary Authors Online, Thomson Gale, 2004, accessed 30 December 2008: requires subscription; and Noel Coward at the IMDB database, accessed 12 March 2009
Rebellato, Dan. "Coward, Noël", The Oxford Encyclopedia of Theatre and Performance, Oxford University Press, 2005. Retrieved 5 April 2020 (subscription required)
Chothia, Jean. "Coward, Noël", The Oxford Encyclopedia of British Literature, Oxford University Press, 2006. Retrieved 5 April 2020 (subscription required)
The caricature was also used in connection with other Coward works, for example on his album of his ballet suite, "London Morning" (1959; reissued in 1978 on LP on DRG SL 5180 OCLC5966289 with the Hirschfeld drawing on the cover)