National parks

La naturaleza en España : los parques nacionales

1990 Racionero, Luis |

A roadside guide to Rocky Mountain National Park

1990 Willard, Beatrice Elizabeth | Foster, Susan Quimby |

Yosemite : the embattled wilderness

1990 Runte, Alfred |

Servicio de parques nacionales areas silvestres de Nicaragua (primer borrador)

1983 Dilger F., R. |

Plan maestro para el manejo y desarrollo del Parque Nacional Corcovado, Peninsula de Osa, Costa Rica

1979 Dickhaut, Christopher Vaughan |

Friends of the National Parks : a report on friends group throughout the National Park System

1993 Machlis, Gary E. | Medlin, Nancy C. |

Madagascar : revue de la conservation et des aires protégées

1989 Langrand, Olivier | Nicoll, Martin E. |

For the conservation of the Earth

1988 Martin, Vance |

Guias para la Accion : servicio de Parques Nacionales

1987

Second International Conference for the Protection of the Fauna and Flora of Africa, London, 1938, May 24-27 : signed document, proceedings and memoranda, and minutes and report of the Annex Committee

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