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Principles of scientific botany, or, Botany as an inductive science - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Longman, Brown, Green, and Longmans, 1849)

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Proceedings, 23rd Southern Forest Tree Improvement Conference, June 20-22, 1995, Asheville, North Carolina - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1995)

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Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1970)

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Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1978)

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Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1938)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1943)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1947)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1953)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1956)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1959)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1962)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1965)

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Proceedings, Lake States Forest Tree Improvement Conference, August 30-31, 1955 - Lake States Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1955)

Proceedings : National Wilderness Research Conference, current research, Fort Collins, CO, July 23-26, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, 1986)

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Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1915)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1918)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1919)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1920)