Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1918)

Parasites : a treatise on the entozoa of man and animals, including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites : a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Pattedyr - Winge, H. (Herluf) (Forlagt af G.E.C. Gad, 1908)

The Peary auxiliary expedition of 1894 - Chamberlin, Thomas C. Thomas Chrowder), 1843 -1928 ([The Geological Club of Philadelphia], 1895)

Petrefacten-Buch oder allgemeine und besondere Versteinerungskunde : mit Berücksichtigung der Lagerungsverhältnisse, besonders in Deutschland - Schmidt, F. A. (Hoffmann'sche Verlags-Buchhandlung, 1846)

Petrefactenbuch, oder allgemeine und besondere Versteinerungskunde mit Berücksichtigung der Lagerungs-Verhältnisse, besonders in Deutschland - Schmidt, F. A. (Krais & Hoffmann, 1855)

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, 1862)

The philosophy of zoology; or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (A. Constable, 1822)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

Plates illustrative of observations on certain parts of the animal oeconomy inclusive of several papers from the Philosophical transactions, etc - Owen, Richard, 1804 -1892 (Longman, Orme, Brown, Green, and Longmans, 1837)

The Pliocene deposits of Britain - Reid, Clement, 1853 -1916 (Printed for HMSO by Eyre and Spottiswoode, 1890)

Le pourquoi-pas dans l'Antarctique : journal de la deuxieme expedition au Pole Sud, 1908-1910, suivi des rapports scientifiques des membres de letat-major preface de M. Paul Doumer - Charcot, Jean, 1867 -1936 (Ernest Flammarion, 1910)

Primera reunión del Congreso científico latino americano celebrada en Buenos Aires del 10 al 20 de abril de 1898 por iniciativa de la Sociedad científica argentina... - Congreso Científico Latino Americano Buenos Aires, Argentina) 1898 - (Compañia sud-americana de billetes de banco, 1899)

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

Principles of physiology, general and comparative - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1851)

Proceedings - Essex Institute. (1856)

Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1873)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1876)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1852)

Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1876)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1903)

Proceedings of the Dublin University Zoological and Botanical Association - Dublin University. Zoological; Botanical Association.

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1868)

Proceedings of the Geological Society of London - Geological Society of America. (The Society, 1845)

Proceedings of the Literary and Philosophical Society of Liverpool - Literary; Philosophical Society of Liverpool. (1854)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1858)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1880)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1851)

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, 1885)

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

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1890)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1909)

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, 1891)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1901)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1908)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1909)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1913)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1915)

Proceedings of the Royal Society of London. Series B, Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1920)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1892)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1895)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1904)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1917)

Proceedings of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1994)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1919)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1885)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1890)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1860)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1864)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1865)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1866)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1868)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1871)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1882)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1883)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1889)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1893)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1897)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1915)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1918)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1922)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1848)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1861)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1881)

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)