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Thorsell, J. W.

Masai Mara National Reserve viewing track development plan

1980 Thorsell, J. W. | George, C. B. | Trump, E. C. |

Guidelines : development of national parks and protected areas for tourism (Persian/Farsi version)

1992 Ceballos-Lascuráin, Héctor | Madjnoonian, Henrik | McNeely, Jeffrey A. | Thorsell, J. W. |

ICNP national park handbook : basic installations and facilities, sections 5.31 and 5.32

1974 Thorsell, J. W. |

A trail use surveys, Banff and Yoho national park

1967 Thorsell, J. W. |

Mountain protected areas

Thorsell, J. W. |

From strength to strength : World Heritage in its 20th year

1992 Thorsell, J. W. |

The road to Caracas : a post audit of the implementation of the Bali Action Plan

Thorsell, J. W. |

Protection of nature in mountain regions

1997 Thorsell, J. W. |

Which islands merit World Heritage status ?

Thorsell, J. W. |

Managing protected areas in Eastern Africa : a training manual

1984 Thorsell, J. W. |

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