Establishing nationalist cells in Poland, establishing Hatzach (New Zionist Organization). His activities in Etzel, split of 1937. Transferring Etzel material to Poland, recruiting Etzel cells in Poland, collision between Etzel and Netzivut Betar in Poland, Paris agreement. Etzel ties with Polish government, newspaper 'Leherut Yerushalayim', acquisition of weapons in Poland and transferring them to Israel. Riots of 1936. Plan of forty thousand. Ties with assimilated Jewish society in Poland, advocacy activities, illegal immigration, immigrant absorption and referring them to Betar and Etzel units. Etzel military courses in Poland. Members of National Cells joining Lehi after immigrating to Israel.