He is the author of Unionism and Socialism: a Plea for Both (1904); Liberty; and Industrial Unionism (1911).
On this subject many monographs and larger works have been published in recent years, but dealing rather with such questions as trade unionism, co-operation and factory legislation, than the structure and organization of particular industries, or the causes and the results of the formation of the great combinations, peculiarly characteristic of the United States, but not wanting in England, which are amongst the most striking economic phenomena of modern times.
The period 1910-20 witnessed considerable industrial and agricultural development and a significant growth of Ethiopianism and trade unionism among the native and coloured people.
His most important works are: a number of Fabian tracts; London Education (1904); The Eight Hours Day (1891), in conjunction with Harold Cox; and, with Mrs Sidney Webb, The History of Trade Unionism (1894, new ed.
At Lincoln's request he undertook a mission to the border states and the North-west to rouse the spirit of Unionism; he spoke in West Virginia, Ohio and Illinois.
This report furnished the material for much controversy, but little practical outcome; it was avowedly based on the consideration of Ireland as a separate country, and was therefore inconsistent with the principles of Unionism.
On October 20th he spoke at Newcastle, on the 21st at Tynemouth, on the 27th at Liverpool, insisting that free-trade had never been a working-class measure and that it could not be reconciled with trade-unionism; on November 4th at Birmingham, on the 10th at Cardiff, on the 21st at Newport, and on December 16th at Leeds.