Department of Defense appropriations for 1957 : hearings before the Subcommittee of the committee on appropriations, House of Representatives, eighty-fourth Congress, second Session / House … communist parcel operation : report by the committee on un-american activities house of representatives eighty-sixth congress first session treaties and other international acts series Mutual defense assistance : agreement between the United States of America and Norway treaties and other international acts series Mutual security : assurances under mutual security act of 1951 : agreement between the United States of America and Norway treaties and other international acts series Mutual defense assistance : agreement between the United States of America and Colombia treaties and other international acts series Relief from taxation on defense expenditures : agreement between the United States of America and Luxembourg treaties and other international acts series Relief from taxation on defense expenditures : agreement between the United States of America and Denmark treaties and other international acts series Relief from taxation on defense expenditures : agreement between the United States of America and Iceland treaties and other international acts series Mutual defense assistance : agreement between the United States of America and Ecuador treaties and other international acts series Leased bases in newfoundland : agreement between the United States of America and Canada treaties and other international acts series Mutual security : Assurances Under Mutual Security Act of 1951 : agreement between the United States of America and Austria treaties and other international acts series Mutual security : Assurances Under Mutual Security Act of 1951 : agreement between the United States of America and Belgium