Charter of the Organization of American States and Inter-American Treaty of Reciprocal Assistance. 

 - Washington,  General Legal Division, Pan-American Union,  1962. 
 - 56 pages  illustrations 
 - Pan-American Union. General Legal Division. Treaty series,  no. 25 .
<br/><br/><label>Subjects--Corporate Names: </label><br/>Organization of American States.<br/>Organization of American States.
<br/><br/><label>LC Class. No.: </label>KDZ10  / .T74 no.25 F1402.A3  / O6 E5 
<br/><br/><label>Dewey Class. No.: </label>341.187