First published November 1922 First Cheap Edition January 1928 Issued in ‘Windmill Library’ December 1927 Reprinted 1933 Issued in ‘Thinker’s Library’ 1929 Reprinted 1930 Reprinted (slightly revised) 1934 Published in Penguin Books March 1936 Reprinted September 1936 Published in Pelican Books May 1937 Reprinted June 1937 Reprinted August 1937 Reprinted June (revised) 1938
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