Agatha Christie's Poirot: David Suchet stars in the last ever episode of the Belgian detective series as he returns to the scene of his first murder case - Mirror Online
The Agatha Christie Challenge – Curtain (1975) - The Real Chrisparkle
Christie in a Few Years: Curtain: Poirot's Last Case
Poirot Investigates - Wikipedia
Teresa Reviews "Curtain: Poirot's Last Case" (2013) - Peschel Press
Analysis of Agatha Christie's “Curtain: Poirot`s Last Case“ - GRIN
Poirot finale: My agony as Poirot drew his last breath, by David Suchet | Daily Mail Online