Secretary. Passfield remains Colonial Secretary. Vernon Hartshorn succeeds Thomas as Lord Privy Seal. Christopher Addison succeeds Noel Buxton as Minister of Agriculture October 1930 – Lord Amulree succeeds Lord Thomson as Secretary of State for Air March 1931 – H.B. Lees-Smith succeeds Sir C.P. Trevelyan at the Board of Education. Herbert Morrison enters the cabinet as Minister of Transport. Thomas Johnston succeeds Hartshorn as Lord Privy Seal List of ministers Members of the Cabinet are in bold face. Notes Notes References Further reading Butler, David. Twentieth Century British Political Facts 1900–2000 Carlton, David. MacDonald versus Henderson: The Foreign Policy of the Second Labour Government (2014). Heppell, Timothy, and Kevin Theakston, eds. How Labour Governments Fall: From Ramsay Macdonald to Gordon Brown (Palgrave Macmillan, 2013). Howell, David MacDonald's Party. Labour Identities and Crisis, 1922–1931, Oxford: OUP 2002; Marquand, David Ramsay MacDonald, (London: Jonathan Cape 1977); ; the standard scholarly biography; favourable Marquand, David. "MacDonald, (James) Ramsay (1866–1937)", Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Oct 2009 accessed 9 Sept 2012; doi:10.1093/ref:odnb/34704 Morgan, Austen: J. Ramsay MacDonald, 1987; Morgan, Kevin. Ramsay Macdonald (2006)excerpt and text search Mowat, C. L. "Ramsay MacDonald and the Labour Party," in Essays in Labour History 1886–1923, edited by Asa Briggs, and john Saville, (1971) Mowat, Charles Loch. Britain Between the Wars, 1918–1940 (1955). online Owen, Nicholas. "MacDonald's Parties: The Labour Party and the ‘Aristocratic Embrace’ 1922–31," Twentieth Century British History (2007) 18#1 pp 1–53. Riddell, Neil. Labour in Crisis: The Second Labour Government, 1929-31 (1999). Rosen, Greg (ed.) Dictionary of Labour Biography, London: Politicos Publishing 2001; Shepherd, John. The Second Labour Government: A reappraisal (2012). Skidelsky, Robert. Politicians and the Slump: The Labour Government of 1929–1931 (1967). Taylor, A.J.P. English History: 1914–1945 (1965) Williamson, Philip : National Crisis and National Government. British Politics, the Economy and the Empire, 1926–1932, Cambridge: CUP 1992; Wrigley, Chris. "James Ramsay MacDonald 1922–1931," in Leading Labour: From Keir Hardie to Tony Blair, edited by Kevin Jefferys, (1999) Primary sources Barker, Bernard (ed.) Ramsay MacDonald's Political Writings, Allen Lane, London 1972 Cox, Jane A Singular Marriage: A Labour Love Story in Letters and Diaries (of Ramsay and Margaret MacDonald), London: Harrap 1988; MacDonald, Ramsay The Socialist Movement (1911) online MacDonald, Ramsay Labour and Peace, Labour Party 1912 MacDonald, Ramsay Parliament and Revolution, Labour Party 1919 MacDonald, Ramsay Foreign Policy of the Labour Party, Labour Party 1923 MacDonald, Ramsay Margaret