Peace-keeping by U.N. forces / A.L.Burns and N. Heathcote. Burns, Authur Lee. Heathcote, Nina. United Nations Armed Forces. United Nations Congo (Democratic Republic) United Nations Armed Forces Middle East. 967.5 BUP London : Pall Mall Press, 1963. 1963. 1963 Text ix, 256 p. : eng Princeton studies in world politics ; no. 4. Congo (Democratic Republic) History 1960-