9 June 1994 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
18 March 1994 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
6 June 1993 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
14 December 1992 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
7 June 1991 | Publisher: Organization of American States (OAS) | Document type: Resolutions/Recommendations/Declarations
8 June 1990 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
15 July 1989 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
14 November 1987 | Publisher: Organization of American States (OAS) | Document type: Resolutions/Recommendations/Declarations
6 June 1986 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements