Askew, Alice; Askew, Claude (1916). The Stricken Land: Serbia As We Saw It. London: Eveleigh Nash. pp. 186–187. For access to the full book see: The Stricken Land: Serbia As We Saw It. Retrieved 22 November 2014.
Fazinić, Neven ing., Korčula, Croatia: Kameni Križevi Na Otoku Korčuli (Stone crosses on the island of Korčula) – article with photographs, dated 06.10.2006, that was originally accessed on ikorcula.net
'4.10.1917, il triste epilogo del piroscafo Città di Bari' Web site in Italian containing the story by Prof. Giovanni Vernì – La Vera Storia fdel triste epilogo del piroscafo “Città di Bari”, silurato dal SMG tedesco UB48 - "The True Story" of the sinking of the Città di Bari including the recollections of a survivor.
Ships hit during WWI - Citta Di Bari Web site on "all the German U-boats of both World Wars" - this page showing the Città di Bari as one of the ships hit during WWI.
web.archive.org
The Times, Saturday, September 5, 1891, p. 12 – Royal College of Physicians and Surgeons "The following gentlemen passed the first examination of the Board in Chemistry at the quarterly meeting of the examiners: Messrs. ... Claude A. C. Askew, of Guy's Hospital ...." > The Times
The Times, Tuesday, March 8, 1892, p. 4 – Royal College of Physicians and Surgeons "The following gentlemen passed the first examination of the in Meteria Medica and Pharmacy :— Messrs. ... Claude A. C. Askew, Guy's ...." > The Times
The Times, Friday, April 29, 1892 p. 14 – Royal College of Physicians and Surgeons "The following gentlemen passed the first examination of The Board in elementary anatomy and elementary physiology :— Messrs. ... Claude A. C. Askew ... Guy’s Hospital ...." > The Times
The Times, Saturday, October 14, 1893 p. 4 – Royal College of Physicians and Surgeons "The following gentlemen passed the second examination of the board in anatomy and physiology: —Messrs. ... Claude C. Askew, Guy's ...." > The Times
