The following abbreviations have been used in the footnotes to the text:
Brit. Mus. Add. MSS.: British Museum Additional Manuscripts, comprising letters of Morris to his family, lectures, diaries, and other documents.
Glasier MSS.: Letters of Morris to J. Bruce Glasier in the Morris Museum, Water House, Walthamstow.
Hammersmith Minutes: Minutes of the Hammersmith Branch of the Democratic Federation and S.D.F. (until December, 1884), Hammersmith Branch, Socialist League (until December, 1890), and Hammersmith Socialist Society (until December, 1896). Preserved, with several gaps, among Brit. Mus. Add. MSS. 45891-4.
Int. Inst. Soc. Hist.: International Institute of Social History, Amsterdam. Documents collected by the historian of Anarchism, Dr. M. Nettlau, comprising correspondence of the Socialist League, 1885-8, and various letters of Joseph Lane, Frank Kitz, Ambrose Barker, and others. Correspondence of Morris and G.B. Shaw with Andreas Scheu.
Mattison MSS.: Correspondence and diaries of the late Mr. Alf Mattison in the Brotherton Library, Leeds University.
Works: The Collected Works of William Morris in 24 Volumes (Longmans, 1910-15).
Letters: The Letters of William Morris to his Family and Friends, Edited by Philip Henderson (Longmans, Green & Co. 1950).
Unpublished Letters: Unpublished Letters of William Morris to the Rev. John Glasse (Labour Monthly, 1951).
Glasier: J. Bruce Glasier, William Morris and the Early Days of the Socialist Movement (Longmans, 1921).
Mackail: J.W. Mackail, The Life of William Morris, 2 Volumes (Longmans, 1899).
Marx-Engels Sel. Cor.: Selected Correspondence of Karl Marx and Frederick Engels, translated and edited by Dona Torr (Lawrence & Wishart, 1936).
May Morris: May Morris, William Morris, Artist, Writer, Socialist, 2 Volumes, with an introduction to Vol. 2 by George Bernard Shaw (B. Blackwell, 1936).
Memorials: G.B[urne] -J [ones], Memorials of Edward Burne-Jones, 2 Volumes (Macmillan, 1904).