Wyndham Lewis (1882-1957) Photo from Wyndham Lewis and The Art of Modern War / edited by David Peters-Corbett. -- Cambridge, England ; New York : Cambridge University Press, 1998. p. 61.
Excerpt from Blast. No. 1 (June 20, 1914)-no. 2 (July 1915) -- London ; New York : John Lane, <1914-1915> p. 24.