00674cam a22002171 4500 pa 60000033 DLC 20260227111855.0 870609s1959 dcua 000 0 spa c pa 60000033 (OCoLC)15870098 Pan American Union. Library MWelC DLC premarc F1402 .P355 Pan American Union. Department of Public Information. La Organización de los Estados Americanos: su estructura y funcionamiento. Washington, 1959. 51 p. illus. 18 cm. Issued also in English. Organization of American States. 51427 51427