Frazer 1859. Frazer, Sir Augustus Simon (1859), "Letter XLVIII", in Malet, Harold Esdaile; Sabine, Sir Edward (eds.), Letters of Colonel Sir Augustus Simon Frazer, K.C.B. commanding the Royal horse artillery in the army under Wellington: Written during the peninsular and Waterloo campaigns, Historical records of the Eighteenth Hussars, Longman, Brown, Green, Longmans, & Roberts, pp. 130–132