Shaw, B., Shaw, B., & Fabian Society. (1930). Socialism : principles and outlook: (Reprinted by permission of the author from the Encyclopedia Britannica, 14th edition, 1929) ; and Fabianism (Reprinted from the new edition of Chamber's Encyclopedia by permission of the publishers). The Fabian Society.

Shaw, Bernard, et al. Socialism : Principles and Outlook: (Reprinted by Permission of the Author from the Encyclopedia Britannica, 14th Edition, 1929) ; and Fabianism (Reprinted from the New Edition of Chamber's Encyclopedia by Permission of the Publishers). The Fabian Society, 1930.