1. The work of art in the age of mechanical reproduction Benjamin, Walter, 1892-1940. London : Penguin, 2008. ACT101
2. The thrilling adventures of Lovelace and Babbage: with interesting & curious anecdotes of celebrated and distinguished characters fully illustrating a variety of instructive and amusing scenes; as performed within and without the remarkable difference engine Padua, Sydney, New York : Pantheon Books, [2015] GEB112
