Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1887)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1889)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1890)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1895)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1896)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1907)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1917)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

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Pestmegye és tájéka viránya - Gönczy, Pál, 1817 -1892 (Magyar Királyi Egyetemi Nyomda Sajátja, 1879)

Petite flore de la Mayenne - Léveillé, H. (Hector), 1863 -1918 (Goupil, 1895)

Die Pflanzen im alten Aegypten: ihre heimat, geschïchte, kultur und ihre mannigfache verwendung im sozialen leben in kultus sitten, gebräuchen, medizin, kunst - Woenig, Franz, 1851 -1899 (W. Friedrich, 1886)

Die Pflanzen im alten Aegypten : ihre Heimat, Geschichte, Kultur und ihre mannigfache Verwendung im sozialen Leben in Kultus, Sitten, Gebräuchen, Medizin, Kunst - Woenig, Franz, 1851 -1899 (A. Heitz, 1897)

Die pflanzen-mischlinge : ein beitrag zur biologie der gewächse - Focke, Wilhelm Olbers, 1834 -1922 (Gebrüder Borntrager, 1881)

Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde - Kaltenbach, J. H. (Johann Heinrich), 1807 -1876 (J. Hoffmann, 1874)

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsel und Kraftwechsel in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Pflanzenphysiologie; ein Handbuch der Lehre vom Stoffwechsels und Kraftwechsels in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1897)

Die Pflanzenwelt Deutschlands; Lehrbuch der Formations- biologie. Eine Darstellung der Lebensgeschichte der wildwachsenden Pflanzenvereine und der Kulturflächen - Graebner, Paul, 1871 -1933 (Quelle & Meyer, 1909)

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Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1871)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1883)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1880)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1873)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1976)

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Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2000)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2005)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2008)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2012)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2013)

Photographisches Album der Flora Oesterreichs, zugleich ein Handbuch zum Selbstunterricht in der Pflanzenkunde - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1864)

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The physiology of plants. a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon Press, 1900)

The physiology of plants; a treatise upon the metabolism and sources of energy in plants - Pfeffer, W. (Wilhelm), 1845 -1920 (Clarendon press, 1900)

Physiotypia plantarum Austriacarum : die Gefässpflanzen Österrichs in Naturselbstdruck mit besonderer Berücksichtigung der Nervation in den Flächenorganen der Pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (F. Tempsky in Prag, 1873)

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The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1855)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1857)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1858)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1860)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1861)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1862)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

Phytoneuron (Guy L. Nesom, 2014)

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Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of micro-technic - Stevens, William Chase, 1861 -1955 (P. Blakiston's Son, 1910)

Plant-breeding; being five lectures upon the amelioration of domestic plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan and co, 1895)

Plant-breeding; being five lectures upon the amelioration of domestic plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1895)

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Plant morphogenesis - Sinnott, Edmund W. (Edmund Ware), 1888 -1958 (McGraw-Hill, 1960)

Plant physiology; authorized English translation by R. J. HarveyGibson; supplement incorporating the alterations of the 2d ed. of the German original - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Clarendon Press, 1913)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

Plantarum a Josepho Comollio ... in Lariensi provincia lectarum enumeratio : quam ipse in botanophilorum usu atque commodo exhibet uti prodromum florae Comensis - Comolli, Giuseppe, 1780 -1849 (C.P. Ostinelli, 1824)

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

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Plants and X rays - Breslavet︠s︡, L. P. (Lidii︠a︡ Petrovna), 1882 -1969 (American Institute of Biological Sciences, 1960)

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Plants of the Punjab : a descriptive key to the flora of the Punjab, North-west Frontier Province, and Kashmir - Bamber, Charles James, 1855 - (Supt. Govt. Printing, Punjab, 1916)

Plants of the Punjab; a descriptive key to the flora of the Punjab, North-west Frontier Province and Kashmir - Bamber, Charles James, 1855 - (Printed by The Superintendent Government Printing, 1916)

Die Pljesivica und ihr Verbindungszug mit dem Velebit in botanischer Hinsicht. A Pljesvica s a Velebittel összekötö hegyvonulat botan. viszonyai - Rossi, Ljudevit, 1850 - (Pallas Irodalmi és Nyomdai Részvénytársaság, 1913)

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Popular field botany; containing a familiar and technical description of the plants most common to the various localities of the British Isles, adapted to the study of either the artificial or natural systems - Catlow, Agnes, 1807? -1889 (Reeve, Benham, and Reeve, 1848)

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Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1905)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Practical guide to the wild flowers and fruits - Walton, George Lincoln, 1854 -1941 (J.B. Lippincott company, 1909)

Practical hints for the field lepidopterist I - Tutt, James William, 1858 -1911 (E. Stock, 1908)

Practical hints respecting moths and butterflies, with notices of their localities : forming a calendar of entomological operations throughout the year, in pursuit of Lepidoptera - Shield, Richard. (John Van Voorst, 1856)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1894)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University press, 1901)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1907)

Practical physiology of plants - Darwin, Francis, Sir, 1848 -1925 (University Press, 1895)

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Preliminary catalogue of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)

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