Atkinson, Michael. «The Last Warning». silentfilm.org/. Arxivat de l'original el 17 November 2016. [Consulta: 16 novembre 2016]. «was the final film for the illustrious Leni who died eight months after its release of blood poisoning at the age of forty-four.»
Atkinson, Michael. «The Last Warning». silentfilm.org/. Arxivat de l'original el 17 November 2016. [Consulta: 16 novembre 2016]. «was the final film for the illustrious Leni who died eight months after its release of blood poisoning at the age of forty-four.»