Bibliography 191 The Concept of Nature in Marx, Schmidt, A., London, 1971. Capitalism, Socialism and Democracy, Schumpeter, J. A., London, 1943 · The Theory of Capitalist Development, "Sweezy, York, P. M., New 1968.
Bibliography 191 Schmidt, A., The Concept of Nature in Marx, London, 1971. Schumpeter, J. A., Capitalism, Socialism and Democracy, London, 1943 · "Sweezy, P. M., The Theory of Capitalist Development, New York, 1968.