What has the author Ian Goodhope Colvin written?

Ian Goodhope Colvin has written:

'Chief of Intelligence'

'The Chamberlain Cabinet' -- subject(s): Cabinet officers, Foreign relations

'Master spy' -- subject(s): Anti-Nazi movement, Secret service, World War, 1939-1945

'Vansittart in office' -- subject(s): Causes, World War, 1939-1945