* Booth, Labour and Life of the People.
* Final Report of Lords' Committee on the Sweating System.
Marx, "Capital," chap. xv., Machinery and Modern Industry (Sonnenschein).
Burnett, Report to the Board of Trade on Sweating (Blue-Book, 1887).
"Socialism," Fabian Essays (Walter Scott).
Booth, Pauperism and the Endowment of Old Age (Macmillan).
J. A. Spender, The State and Pensions in Old Age (Sonnenschein).
J. T. Arlidge, Hygiene of Occupations (Rivington).
Co-Operation and Labour Organization.
* Webb, History of Trade Unionism (Longman).