22 January 1969 | Publisher: Organization of American States (OAS) | Document type: Multilateral Treaties/Agreements
2 February 1967 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
31 August 1951 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
8 December 1942 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
1 December 1938 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
5 July 1922 | Publisher: League of Nations | Document type: Multilateral Treaties/Agreements
26 November 1898 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation