“Admitted to the Degree of Bachelor of Arts First Division”. Examination and matriculation papers: 1838–43. University of London. (1843). p. 81. OCLC38086382
Gernsheim, Helmut; Gernsheim, Alison (1954). Roger Fenton, photographer of the Crimean War. London: Secker & Warburg. pp. 13–17. OCLC250629696
The valley, called the "North Valley" by the British military, was just less than a mile wide and about a mile and a quarter long: Woodham-Smith, Cecil (1953). The Reason Why. London: John Constable. p. 238. OCLC504665313
