15 August 1991 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
3 November 1978 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
14 December 1970 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
16 December 1969 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
22 January 1969 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
18 December 1968 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
19 December 1967 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
20 December 1966 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
16 December 1965 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations