There has recently been a renewal of interest in anarchism. Books, pamphlets, and anthologies are being devoted to it. It is doubtful whether this literary effort is really very effective. It is difficult to trace the outlines of anarchism. Its master thinkers rarely condensed their ideas into systematic works. If, on occasion, they tried to do so, it was only in thin pamphlets designed for propaganda and popularization in which only fragments of their ideas can be observed. Moreover, there are several kinds of anarchism and many variations within the thought of each of the great libertarians. Rejection of authority and stress on the priority of individual judgment make it natural for libertarians to "profess the faith of anti dogmatism." "Let us not become the leaders of a new religion," Proudhon wrote to Marx, "even were it to be the religion of logic and reason." It follows that the views of the libertarians are more varied, more fluid, and harder to apprehend than thos...