by Sir William M. Acworth

Hyperion Press 1980 New ed., rev. and enl. / by the author and W.T. Stephenson

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von William M. Acworth ; vom Verfasser unter Mitwirkung von W.T. Stephenson ; aus dem englischen übertragen von Heinrich Wittek

J. Springer 1926 [Neuaufl.]

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by W. Tetley Stephenson ; with a foreword by the Prince of Wales ; and general introductions by Eric Geddes and Frederick W. Lewis

Ernest Benn 1924 The resources of the Empire series v.10

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by Sir William M. Acworth

Clarendon Press 1924 New ed. rev. and enl. / by the author and W.T. Stephenson

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