Not much is written about Burns. The only direct references to her that have survived are a letter from Karl Marx to Engels on learning of her death, saying she was "very good natured" and "witty", and a letter from Marx's daughter, Eleanor, saying she was "very pretty, witty and an altogether charming girl, but in later years drank to excess".[7] No images of Burns are known to exist.[8]
^Roy Whitfield: "Die Wohnorte Friedrich Engels' in Manchester von 1850–1869". In: Nachrichten aus dem Engels-Haus, Heft 3. ceres, Wuppertal 1980, p 80.
^Cite error: The named reference irving was invoked but never defined (see the help page).
^Engels to Marx. 7 January 1863. (Collected Works of Karl Marx and Friedrich Engels: Volume 41, p. 441.)
^Whitfield, Roy (1988) Friedrich Engels in Manchester, Working Class Movement Library, ISBN0906932211