Papers and published notes : 1869 to 1876 - Goode, G. Brown (George Brown), 1851 -1896 (1869)

Parasites of fishes of the Woods Hole region - Linton, Edwin, 1855 -1939 (Govt. print. off, 1901)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1911)

Parasitology (Cambridge University Press, 1918)

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

La Pêche et les poissons : nouveau dictionnaire général des pêches - Duméril, Auguste Henri André, 1812 -1870 (C. Delagrave et cie, 1868)

The pelagic stages of young fishes - Agassiz, Alexander, 1835 -1910 (Printed for the Museum, 1885)

Das peripherische Nervensystem der Fische : anatomisch und phyiologisch Untersucht - Stannius, Hermann, 1808 -1883 (Stiller, 1849)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1910)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1914)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1920)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1867)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1882)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1878)

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

Physiologie des Stoffwechsels in Pflanzen und Thieren. Ein Handbuch für Naturforscher, Landwirthe und Aerzte - Moleschott, Jacob, 1822 -1893 (F. Enke, 1851)

Physiologische Chemie - Hoppe-Seyler, Felix, 1825 -1895 (A. Hirschwald, 1877)

The physiology and pharmacology of the pituitary body - Van Dyke, Harry Benjamin, 1895 - (The University of Chicago Press, 1936)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green and Co, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green, 1910)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, Green, and co, 1922)

The physiology of reproduction - Marshall, F. H. A. (Francis Hugh Adam), 1878 -1949 (Longmans, 1922)

La piscicoltura - Vogt, Karl Christoph, 1817 -1895 (Tip. di Carlo Franchi, 1865)

Les poissons des côtes de Belgique : leurs parasites et leurs commensaux - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (M. Hayez, Imprimeur de l'academie royale de Belgique, 1870)

Les poissons des eaux douces de l'Afrique occidentale : du Sénégal au Niger - Pellegrin, Jacques, 1873 -1944 (E. Larose, 1923)

Poissons provenant des campagnes du yacht Princesse-Alice (1901-1910) - Zugmayer, Eric (1911)

Les poissons : synonymie–description–mœurs–frai–pêche–iconographie, des espèces composant plus particulièrement la faune française - Boulart, R. (Raoul), 1849 -1901 (J. Rothschild, 1877)

Polychlorinated biphenyl hazards to fish, wildlife, and invertebrates : a synoptic review - U.S. Fish; Wildlife Service (The Service, 1986)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

Popular natural history - Wood, J. G. (John George), 1827 -1889 (Porter & Coates, 1885)

Popular natural history : a description of animal life, from the lowest forms up to man - Kingsley, J. S. (John Sterling), 1854 -1929 (Estes & Lauriat, 1890)

Prehistoric Europe : a geological sketch - Darwin, Charles, 1809 -1882 (Edward Stanford, 1881)

Prehistoric Europe, a geological sketch - Geikie, James, 1839 -1915 (E. Stanford, 1881)

The primitive streak and notochordal canal in Chelonia - Davenport, Gertrude Anna Crotty, 1866 - (Ginn, 1896)

The principal forms of the skeleton and teeth - Owen, Richard, 1804 -1892 (Blanchard and Lea, 1854)

Problems of evolution - Headley, F. W. (Frederick Webb), 1856 -1919 (Duckworth, 1900)

Proceedings - Dorset Natural History; Archaeological Society.

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1893)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1889)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1892)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1893)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1894)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1895)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1896)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1899)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1900)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1906)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1886)

Proceedings and transactions of the Nova Scotian Institute of Natural Science - Nova Scotian Institute of Natural Science. (Nova Scotian Institute of Natural Science, 1863)

Proceedings and transactions of the Nova Scotian Institute of Natural Science - Nova Scotian Institute of Natural Science. (Nova Scotian Institute of Natural Science, 1879)

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Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1863)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1884)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1892)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1896)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1881)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1894)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1906)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1918)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1864)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1866)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1939)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1935)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1878)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1954)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1898)

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Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1857)

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Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1897)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1940)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1904)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1910)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1911)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1879)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1880)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1881)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1884)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

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Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1891)

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