George Orwell, Sonia Orwell, Ian Angus (1968). “The Collected Essays, Journalism and Letters of George Orwell: An age like this, 1920-1940”, Harvill Secker
George Orwell, Sonia Orwell, Ian Angus (1968). “The Collected Essays, Journalism and Letters of George Orwell: An age like this, 1920-1940”, Harvill Secker