Commercial treaties with Iran, Nicaragua, and Netherlands, hearing, 84th Congress, 2d session, on E cecutive E, S4th Congress, 2d session, treaty of amity, economic relations and consular rights with Iran, Executive G, 84th Congress, 2d session, treaty of friendship, commerce, and navigation with Republic of Nicaragua, and Executive H, 84th Congress, 2d session, treaty of friendship, commerce, and navigation witli Kingdom of Netherlands, July 3, 1956.