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*Ancestry (pay website) contains the database "UK, British Officer Prisoners of War, 1914-1918"<ref>[http://search.ancestry.co.uk/search/db.aspx?dbid=4722 UK, British Officer Prisoners of War, 1914-1918] Ancestry</ref> (located in category Military) consisting of data transcribed from the 1919 publication ''List of British Officers Taken Prisoner in the Various Theatres of War Aug 1914 to Nov 1918'' <ref>[https://www.naval-military-press.com/product/list-of-british-officers-taken-prisoner-in-the-various-theatres-of-waraug-1914-to-nov-1918/ ''List of British Officers Taken Prisoner in the Various Theatres of War Aug 1914 to Nov 1918''] Reprint edition, Naval & Military Press</ref>, compiled from records kept by Messrs Cox & Co.'s Enquiry Office. Transcribed records from this source are also available in the findmypast database above "Prisoners Of War 1715-1945".

*The British Library collection contains the book ''Çanakkale Muharebeleri'nin esirleri : ifadeler ve mektuplar = Prisoners of war at the Çanakkale Battles : testimonies and letters'' (in two volumes) by Ahmet Tetik, Y. Serdar Demirtaş, Sema Demirtaş. UIN: BLL01015395994 [http://explore.bl.uk/primo_library/libweb/action/search.do?menuitem=0&fromTop=true&fromPreferences=false&fromEshelf=false&vid=BLVU1 Search the catalogue]. In Turkish and English. Contains Lists of prisoners taken at [[Gallipoli]] (Çanakkale) derived from records in Turkish Archives. (Sample pages.<ref> emrezmen. [https://www.greatwarforum.org/topic/260865-allied-pow/?do=findComment&comment=2642881 Allied PoW] ''Great War Forum'' 6 May 2018. Retrieved 20 July 2019.</ref>)

*[https://web.archive.org/web/20170624075844/http://www.cwgc.org/about-us/what-we-do/archive.aspx Commonwealth War Graves Commission Archive], (archived webpage) located in the Head Office in Maidenhead, England. The Catalogue Records relating to Turkey are available in this [https://web.archive.org/web/20170528152821/http://www.cwgc.org/about-us/what-we-do/archive/archive-catalogue.aspx link] (archived page) then select Archive Catalogue Part 1 Sections 07-08, then scroll down. There is an online [http://archive.cwgc.org CWGC Archive catalogue Search] (which includes some digitised items, but not currently (2017/12) any relating to Turkey). The Archive includes a [http://archive.cwgc.org/TreeBrowse.aspx?src=CalmView.Catalog&field=RefNo&key=CWGC%2fLIB Library].

*[http://encyclopedia.1914-1918-online.net/article/prisoners_of_war_ottoman_empiremiddle_east "Prisoners of War (Ottoman Empire/Middle East)"] by Yücel Yanıkdağ . Scroll down to the section "Entente Prisoners of War in the Ottoman Empire" encyclopedia.1914-1918-online.net. The mortality rate of the British and Dominion prisoners in Ottoman captivity was very high.