Collectivist economic planning : critical studies on the possibilities of socialism / by N. G. Pierson, Ludwig von Mises, Georg Halm, and Enrico Barone; edited, with an introduction and a concluding essay, by F. A. von Hayek. Hayek, Friedrich A. von Socialism. Collectivism. HD82 .H345 330.9 PIC London : G. Routledge, 1935. 1935. 1935 Text 293 p. : eng