20 October 2005 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
10 November 1989 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
16 December 1983 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
5 December 1981 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
21 December 1979 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
22 December 1978 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
17 December 1976 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
19 July 1974 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
16 November 1972 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements
10 December 1962 | Publisher: UN Educational, Scientific and Cultural Organisation (UNESCO) | Document type: Multilateral Treaties/Agreements