Classified: Secrecy and the state in modern Britain by Christopher Moran
[PDF file]: […] subsequent modifications. Before WW2, in practice the state was willing to clobber little people – e.g. the novelist Compton MacKenzie who revealed a handful of secrets about MI6 in a book in the 1930s – but unwilling to do anything when prime minister Lloyd George took van loads of official (and thus secret) papers […]