Rosalind Christie, 1926 —
Photo Credit: The Christie Archive Trust, Public Domain, https://commons.wikimedia.org/w/index.php?curid=96726239

Agatha Christie found — Daily Herald, 15 December 1926, announcing that Christie had been found—disappearing for 11 days, she was located at the Swan Hydropathic Hotel in Harrogate, Yorkshire
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=32591516

Advertisement placed by Christie for the sale of Styles in 1928 —
Photo Credit: The Times (London, England), Friday, Mar 02, 1928; pg. 28, Public Domain, https://commons.wikimedia.org/w/index.php?curid=32591624

The Mousetrap showing at the West End's St Martin's Theatre in Covent Garden —
Photo Credit: By Nessy-Pic - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=29256647

Christie's room at the Pera Palace Hotel in Istanbul, where the hotel claims she wrote Murder on the Orient Express — Room 411 at the Pera Palas hotel in Istanbul, Turkey
Photo Credit: by Steve Hopson, November, 2004 - Steve Hopson Photography, www.stevehopson.com

Ugbrooke House where Archie Christie met Agatha Miller —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=32591873

Archie Christie, 1909 — after graduating from the Royal Military Academy
Photo Credit: Wright, Peter “The War Service of Archibald Christie” Cross and Cockade International, Autumn 2010., Public Domain, https://commons.wikimedia.org/w/index.php?curid=32582737

Christie as a girl, early 1900s —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=20599711

Portrait of Agatha Christie as a child — entitled Lost in Reverie, by Douglas John Connah [de], 1894
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=94555543

Agatha Christie's And Then There Were None — Cover of first US 1940 edition
Photo Credit: By http://home.insightbb.com/~jsmarcum/agatha40.htm. Website owner has given written permission to uploader to copy image, Fair use, https://en.wikipedia.org/w/index.php?curid=15533171

The throne hall at Phra Racha Wang Derm (Thonburi Palace), Bangkok —
Photo Credit: By This Photo was taken by Supanut Arunoprayote. - Own work, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=75188944