For further reading, here is the link to one of the sources I quoted extensively from above, William Morris and the early days of the socialist movement by John B. Glasier,
William Morris and the early days of the socialist movement by John Bruce Glasier, Longmans, Green, and Co.,London, 1921,Chapter VI 'First Visit to Kelmscott House,' pgs, 45-53.
The Collected Letters of Jane Morris edited by Frank C. Sharp and Jan Marsh, The Boydell Press, Woodbridge, Suffolk, UK, 2012, pg. 12.
Charles Rowley, 'A great Poet and Artist: Mr. Charles Rowley on the Gifts of William Morris'. Manchester Evening Chronicle. 9 April 1912.