to be objectively regulated. And thus ultimately the principle of economic equivalence of services is introduced and becomes fundamental, while there still remains always some place beside it for the old valuation based upon the efficiency of the help and for the transitory valuation based upon the subjective sacrifice. The exceeding usefulness of The Polish Peasant for understanding the Gutenberg galaxy is that it offers a mosaic study of events in our time that correspond to what happened in the first Gutenberg age. What happened to the Polish peasant confronted with print technology and industrial organization, has happened in lesser degree to the Russian and the Japanese, and is beginning to happen in China. Before concluding Professor Nef’s testimony on the