Collection: Karl Marx and Frederick Engels Correspondence 1870-1895 Letter ID: 12p577v44 Date: 1872-02-29 Source: Karl Marx and Frederick Engels: Collected Works. Vol. 44. London: Lawrence and Wishart, 1989
Collection: The 'Finnegans Wake' Letters of Thornton Wilder and Adaline Glasheen Letter ID: p577 Date: 1974-10-05 Source: Edward M. Burns and Joshua A. Gaylord, ed., A Tour of the Darkling Plain: The Finnegans Wake Letters of Thornton Wilder and Adaline Glasheen. Dublin: University College Dublin Press, 2001