00656cam a22002171 4500 pa 60000012 DLC 20260227111855.0 760622s1959 dcua i000 0 eng c pa 60000012 (OCoLC)2272403 Pan Am Union FU DLC premarc F1402 .P35 341.187 Pan American Union. Department of Public Information. The Organization of American States: what it is and how it works. Washington, Pan American Union, 1959. 46 p. illus., diagr. 18 cm. Organization of American States. 51417 51417