A Dream of John Ball and a King's Lesson: E-text of William Morris' 1886 classic, considered to be one of the earliest of the modern fantasy quest novels.
Art and Socialism: Lecture delivered by Morris in 1884, provided by the Marxists Internet Archive.
Encyclopedia of the Self: William Morris: Texts of Child Christopher and A Dream of John Ball.
How I Became a Socialist by William Morris: First published in Justice, June 16th, 1894. Online edition is a transcription from the Marxists Internet Archive.
How We Live and How We Might Live: Socialist tract by William Morris from the Marxists Internet Archive.
Signs of Change: Project Gutenberg text in text or zip format from various servers.
Socialism and Anarchism by William Morris: First printed as a letter in Commonweal, May 5th, 1889; provided online by the Marxists Internet Archive.
The Wood Beyond the World: Project Gutenberg text in text or zip format from various servers.
William Morris 1834-1896: Digital version of the manuscript collection of the International Institute of Social History, Amsterdam.