Clark, Sir Kenneth, Landscape into Art, 1949, page refs to Penguin edn of 1961
Dreikausen, Margret, "Aerial Perception: The Earth as Seen from Aircraft and Spacecraft and Its Influence on Contemporary Art" (Associated University Presses: Cranbury, NJ; London, ; Mississauga, Ontario: 1985) ISBN 0-87982-040-3
Hugh Honour and John Fleming, A World History of Art,1st edn. 1982 & later editions, Macmillan, London, page refs to 1984 Macmillan 1st edn. paperback. ISBN 0-333-37185-2
Paine, Robert Treat, in: Paine, R. T. & Soper A, "The Art and Architecture of Japan", Pelican History of Art, 3rd ed 1981, Penguin (now Yale History of Art), ISBN 0-14-056108-0
Sickman, Laurence, in: Sickman L & Soper A, "The Art and Architecture of China", Pelican History of Art, 3rd ed 1971, Penguin (now Yale History of Art), LOC 70-125675
Virtual Vault, an online exhibition of Canadian historical art at Library and Archives Canada
