Appellant, Dirk De Jonge, was indicted in Multnomah County, Oregon, for violation of the Criminal Syndicalism Law of that State.[1] The Act, which we set forth in *357 the margin, defines "criminal syndicalism" as "the doctrine which advocates crime, physical violence, sabotage or any unlawful acts or methods as a means of accomplishing or effecting industrial or political change or revolution." With this preliminary definition the Act proceeds to describe a number of offenses, embracing the teaching of criminal syndicalism, the printing or distribution of books, pamphlets, etc., advocating that doctrine, the organization of a society or assemblage which advocates it, and presiding at or assisting in conducting a meeting of such an organization, society or group. The prohibited acts are made felonies, punishable by imprisonment for not less than one year nor more than ten years, or by a fine of not more than $1,000, or by both.

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