Convention Concerning the Protection of the World Cultural and Natural Heritage, Secretariat

Human use of World Heritage natural sites : a global overview

1998 Sigaty, Todd | Thorsell, J. W. |

A global overview of wetland and marine protected areas on the World Heritage list

1997 Levy, Renée Ferster | Sigaty, Todd | Thorsell, J. W. |

A global overview of forest protected areas on the World Heritage list

1997 Sigaty, Todd | Thorsell, J. W. |

Management objectives Danube Delta Biosphere Reserve

1991

Documentation on World Heritage properties : natural sites [prepared for the] World Heritage Committee [of the] Convention Concerning the Protection of the World Cultural and Natural Heritage

World Heritage : twenty years later

1992 Sawyer, Jacqueline | Thorsell, J. W. |

Vingt-huitième réunion de la Commission des parcs nationaux et des aires protégées, Parc national du "W", Niger, 18-22 mars 1987 : compte rendu

1987 Cloutier, Antoine | Dufresne, Alain | Thorsell, J. W. |
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