Natural sciences

American Museum Congo expedition 1909-1915

2003

Research in the parks : transactions of the National Park Centennial Symposium

1976

A scientific bibliography on the national parks of South Africa

Bryden, Helena B. | De Vos, V. |

Isle Royale natural sciences research plan

1966 Linn, Robert M. | Sumner, Lowell | Sprugel, George |

Sequoia and Kings Canyon : natural sciences research plan

1966 Sumner, Lowell | Sprugel, George | Linn, Robert M. |

Everglades : natural sciences research plan

1966 Robertson, William B. | Sprugel, George | Summer, Lowell |

Second conference on scientific research in the national parks

First conference on scientific research in the national parks : abstracts

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