Phycologia britannica, or, A History of British sea-weeds, containing coloured figures, generic and specific characters, synonymes, and descriptions of all the species of algae inhabiting the shores of the British Islands - Harvey, William H. (William Henry), 1811 -1866 (Reeve and Benham, 1846)

The phyla and classes of animals : arranged to show their supposed relationships - Hay, William Perry, 1872 -1947 (s.n.], 1909)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1952)

Les plantes alpines : choix des plus belles espèces, description, station, excursions, culture, emploi - Verlot, Bernard, 1836 -1897 (J. Rothschild, 1873)

Pocketbook of veterinary medical practice - Rosenberg, Albert von, 1874 - (Boericke & Tafel, 1909)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1873)

Popular Science Review (1865)

Popular Science Review (1872)

The porifera and coelentera - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (Adam & Charles Black, 1900)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1947)

The poultry doctor, including the homeopathic treatment and care of chickens, turkeys, geese, ducks and singing birds, also a materia medica of the chief remedies - Boericke & Tafel. (1891)

Poultry sense; a treatise on the management and care of chickens, including the treatment of the more common diseases - Pursell, James Perry, 1866 - (J. P. Pursell, 1911)

Practical zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1915)

Practical zoology for medical & junior students - Bonde, Cecil von, 1895 -1983 (W. Wood, 1922)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill book company, inc, 1946)

Principles of economic zoo̤logy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1915)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders, 1917)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1912)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1916)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1895)

Proceedings and transactions of the Croydon Natural History and Scientific Society - Croydon Natural History; Scientific Society. (Croydon Natural History and Scientific Society, 1900)

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, 1891)

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 Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1885)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1887)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1896)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1900)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1883)

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

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, 1893)

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 Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1880)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1888)

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

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1954)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1895)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1896)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2009)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2010)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1886)

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

Proceedings of the fourth International Congress of Zoology, Cambridge, 22-27 August, 1898 - Sedgwick, Adam, 1854 -1913 (C.J. Clay, 1899)

Proceedings of the fourth International Congress of Zoology, Cambridge, 22-27 August, 1898 (Clay, 1899)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1906)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1917)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1906)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1912)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1884)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1885)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2008)

Proceedings of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1888)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1870)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1917)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1878)

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

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

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, 1910)

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