By Frankfort, Henri, 1897-1954.. London, New York, Ernest Benn; Barnes & Noble, 1968 , "Expanded versions of lectures delivered at Indiana University in the winter of 1948-9 on the Patten foundation." 0510268013
]]>By Smith, William Stevenson.. New York : Penguin Books, 1981 0140560149 | 0140561145 (pbk.)
]]>By Wilkinson, Alix.. London : Methuen, 1971 , "Distributed in the U.S.A. by Barnes & Noble, inc." 0416126707
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