The case of United States of America vs. William Z. Foster, Eugene Dennis, John B. Williamson, Jacob Stachel, Robert G. Thompson, Benjamin J. Davis, Jr., Henry Winston, John Gates, Irving Potash, Gilbert Green, Carl Winter, Gus Hall, members of the National Committee of the Communist Party of the United States : briefs of the defendants arguing the unconstitutionality of the Smith Act and of the indictments against them there-under