Tolong jelaskan mengenai Catatan dari Sidney Webb, 1st Baron Passfield

Bevir, Mark. "Sidney Webb: Utilitarianism, positivism, and social democracy." Journal of Modern History 74.2 (2002): 217–252 online

Cole, Margaret, et al. The Webbs and their work (1949)

Davanzati, Guglielmo Forges, and Andrea Pacella. "Sidney and Beatrice Webb: Towards an Ethical Foundation of the Operation of the Labour Market." History of Economic Ideas (2004): 25–49

Farnham, David. “Beatrice and Sidney Webb and the Intellectual Origins of British Industrial Relations.” Employee Relations (2008). 30: 534–552

Harrison, Royden. The Life and Times of Sydney and Beatrice Webb, 1858-1905 (2001)

Kaufman, Bruce E. "Sidney and Beatrice Webb's Institutional Theory of Labor Markets and Wage Determination." Industrial Relations: A Journal of Economy and Society 52.3 (2013): 765–791. online

MacKenzie, Norman Ian, and Jeanne MacKenzie. The First Fabians (Quartet Books, 1979)

Radice, Lisanne. Beatrice and Sidney Webb: Fabian Socialists (Springer, 1984)

Stigler, George. “Bernard Shaw, Sidney Webb, and the Theory of Fabian Socialism,” Proceedings of the American Philosophical Society (1959) 103#3: 469–475