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Palaeozoic sponges of North America / [William R. Head] - Head, William R. (1895)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 1999)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2000)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2001)

Paleontology of the Eureka district - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Govt. print. off, 1884)

Paleontology : Part II. Carboniferous and cretaceous - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (Kansas Geological Survey], 1900)

Paleontology : pt. 1. Upper Cretaceous - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (Kansas Geological Survey], 1898)

Die pantopoden der Siboga-expedition mit berücksichtigung der arten Australiens und des tropischen Indik - Loman, J. C. C. (Jan Cornelis Christiaan) (Buchhandlung und druckerei vormals E. J. Brill, 1908)

Papers in marine biology and oceanography (Pergamon Press, 1955)

Parasitische prosobranchier der Siboga-expedition - Nierstrasz, H.F. (Hugo Frederik), 1872 -1937 (E. J. Brill, 1909)

The past and present life of the globe. Being a sketch in outline of the world's life-system - Page, David, 1814 -1879 (W. Blackwood and sons, 1861)

Patterns and problems of development - Child, Charles Manning, 1869 -1954 (The University of Chicago Press, 1941)

Peninsula Field Naturalists' Club Newsletter - Australia (Peninsula Field Naturalists' Club, 2023)

Peninsula Field Naturalists' Club Newsletter - Australia (Peninsula Field Naturalists' Club, 2024)

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The philosophy of biology - Johnstone, James, 1870 -1932 (at the University Press, 1914)

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Phylogeny of the Pelecypoda : the Aviculidae and their allies - Jackson, Robert Tracy, 1861 -1948 (Boston Society of Natural History, 1890)

Physiological chemistry - Day, George Edward, 1815 -1872 (Printed for the Cavendish Society, by Harrison and Son, 1851)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

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The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

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Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2006)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2007)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2014)

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The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1901)

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Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1968)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1969)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1971)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1973)