Zacher, Mark W. International conflicts and collective security, 1946-1977 : the United Nations, Organization of American States, Organization of African Unity, and Arab League / Mark W. Zacher. - New York : Praeger, c1979. - x, 297 p. ; ISBN: 0030442613 : Subjects--Topical Terms: Security, International.--- Dewey Class. No.: 327.116 / In