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Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1908)

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Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1888)

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Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1902)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1863)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1880)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1850)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1888)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1897)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1856)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1862)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1873)

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Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1938)

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Proceedings of the Sixth International Marine Biological Workshop : the marine flora and fauna of Darwin Harbour, Northern Territory, Australia - Hanley, J Russell (Museum & Art Gallery of the N.T, 1997)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1906)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1907)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1940)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1902)

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Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1921)

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Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

Prodromus descriptionis animalium ab H. Mertensio observatorum : fascic. I. Polypos, Acalephas Discophoras et Siphonophoras, nec non Echinodermata continens - Brandt, Johann-Friedrich, 1802 -1879 (Acad. imp. sci, 1834)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1885)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)