PREFACE

carry further the enquiry I began in World Revolution, by tracing the course of revolutionary ideas through secret societies from the earliest times, indicating the rôle of the Jews only where it is to be clearly detected, but not seeking to implicate them where good evidence is not forthcoming. For this reason I shall not base assertions on merely "anti-Semite" works, but principally on the writings of the Jews themselves. In the same way with regard to secret societies I shall rely as far as possible on the documents and admissions of their members, on which point I have been able to collect a great deal of fresh data entirely corroborating my former thesis. It should be understood that I do not propose to give a complete history of