Letter about prohibiting political activity of Shmuel Ariel during his mission in Diaspora. Protocols of court meetings accusing Shmuel Ariel of breach of trust, degradation of Etzel (Ma'amad), financial waste and disobeying orders. Circular with prosecutor questions to clarify charges, and response letters of witnesses. Composition of court that judged Shmuel Ariel. Outline of indictment and trial verdict.