Mass. and London, England, Distributed by The MIT Press.

London and Basingstoke: The Macmillan Press Ltd.

London and Basingstoke : The Macmillan Press Ltd.

Lincoln and London, University of Nebraska Press, 1987. - Reprint of the edition 1933. -

1994

The Alex Hillman Family Foundation New York in association with University of Washington Press Seatt

1974

The MIT Press, Cambridge, Massachusetts, and London, England