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Preface
important in Lassalle himself, but because, so far as his political effect is concerned, the views he owed to Rodbertus had little result; while those which came from Marx, on the contrary, bore good fruit, both directly and indirectly, in the subsequent growth of Social Democracy.
My acknowledgments are due to my wife for constant help, both by criticism and by collection of material; also to all the German Socialists, whether leaders or followers, with whom I have come in contact, for their uniform courtesy, and for their kind assistance in supplying information.
A bibliography of the principal works consulted is appended.
