Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantae junghuhnianae :enumeratio plantarum, quas, in insulis Java et Sumatra - Miquel, Friedrich Anton Wilhelm 1811 -1871 (H.R. de Breuk, 1853)

Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss - Lehmann, Johann Georg Christian, 1792 -1860 (Sumptibus Meissneri, 1846)

Plantae quaedam niloticae : quas in itinere cum divo Adalberto libero barone de Barnim facto collegit Robertus Hartmann - Schweinfurth, Georg August, 1836 -1925 (G. Reimer, 1862)

Plantae rariores quas in itinere per oras Jonii ac Adriatici Maris et per regiones Samnii ac Aprutii - Gussone, Giovanni, 1787 -1866 (Ex Regia Typographia, 1826)

Plantae Scandinaviae; descriptionibus et figuris analyticis adumbratae - Andersson, N. J. (Nils Johan), 1821 -1880 (Sumptibus Z. Haeggström, 1849)

Plantas Hartwegianas :imprimis mexicanas adjectis nonnullis Grahamianis enumerat novasque - Bentham, George, 1800 -1884 ([G. Pamplin,], 1839)

Plantenkunde voor Indië - Haak, J. (G. C. T. Van Dorp & Co, 1892)

Poatkowé rostlinoslowí - Presl, Jan Svatopluk, 1791 -1849 (W kommissí u Kronbergra a iwnáe, 1848)

A pocket botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms - Lindley, John, 1799 -1865 (J. Andrews, 1840)

Popular conchology, or, The shell cabinet arranged according to the modern system : with a detailed account of the animals, and a complete descriptive list of the families and genera of recent and fossil shells - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1854)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

The practical fisherman : dealing with the natural history, the legendary lore, the capture of British freshwater fish, and tackle and tackle making - Keene, John Harrington. (The Bazaar Office, 1881)

Practical histology - Langley, J. N. (John Newport), 1852 -1925 (Macmillan and Co., Limited, 1901)

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

Praktikum der Fischkrankheiten - Plehn, Marianne, 1863 -1946 (Schweizerbart (E. Nägele) g.m.b.h, 1924)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

Primitiae florae essequeboensis adjectis descriptionibus centum circiter stirpium novarum, observationibusque criticis - Meyer, G. F. W. (Georg Friedrich Wilhelm), 1782 -1856 (Sumptibus H. Dieterich, 1818)

The principles of applied zoology - Wardle, Robert A. (Robert Arnold), 1890 -1974 (Longmans, Greem, and co, 1929)

The principles of botany, and of vegetable physiology - Willdenow, Karl Ludwig, 1765 -1812 (Printed at the University Press, for William Blackwood, 1805)

The principles of botany, and of vegetable physiology / translated from the German of D.C. Willdenow - Willdenow, Karl Ludwig, 1765 -1812 (Blackwood, 1811)

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

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 company, 1912)

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)

Principles of human physiology - Starling, Ernest Henry, 1866 -1927 (Lea & Febiger, 1920)

Principles of scientific botany, or, Botany as an inductive science - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Longman, Brown, Green, and Longmans, 1849)

Principles of scientific botany, or, Botany as an inductive science - Lankester, Edwin, 1814 -1874 (Printed for Longman, Brown, Green, and Longmans, 1849)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1900)

Proceedings and Report of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1922)

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, 1914)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1850)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1856)

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, 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 American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1879)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1883)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1913)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1933)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1972)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1979)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1981)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1993)

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

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

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1985)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1990)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2003)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1969)

Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1865)

Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1866)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1909)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1919)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1925)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1926)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1927)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1929)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1931)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1932)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1938)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1939)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1941)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1955)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1956)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1977)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1979)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1983)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1985)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1986)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1998)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2000)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2007)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1908)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1982)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1838)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1875)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1886)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1887)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1891)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1890)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1893)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1896)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1903)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1904)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1905)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1914)