Outlines of classification and special morphology of plants - Goebel, K. (Karl), 1855 -1932 (Clarendon Press, 1887)

Outlines of classification and special morphology of plants - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1887)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1770)

Over de bevruchting der bloemen in het kempisch gedeelte van Vlaanderen - MacLeod, Julius, 1857 -1919 (Vuylsteke, 1894)

Overwash processes and foredune ecology, Nauset Spit, Massachusetts - Massachusetts Audubon Society. (U.S. Army Engineer Waterways Experiment Station, 1984)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

P. Dioscoridae pharmacorum simplicium reiq[ue] medicae libri VIII - Barbaro, Ermolao, 1454 -1493 (Apud Io. Schottum, 1529)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1910)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1911)

Palaeontographica (Theodor Fischer, 1859)

Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author. Vol. I, II - Falconer, Hugh, 1808 -1865 (1868)

Palaeontology - Palaeontological Association (Palaeontological Association, 1960)

Palaeontology - Palaeontological Association (Palaeontological Association, 1963)

Palaeontology - Palaeontological Association (Palaeontological Association, 1973)

Palaeontology - Palaeontological Association (Palaeontological Association, 1977)

Palaeontology - Palaeontological Association (Palaeontological Association, 1980)

Paléontologie française : description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France : comprenant leur application à la reconnaissance des couches - Orbigny, Alcide Dessalines d', 1802 -1857 (Chez l'auteur, 1840)

The palmyra palm, Borassus flabelliformis : a popular description of the palm and its products, having special reference to Ceylon : with a valuable appendix embracing extracts from nearly every author that has noticed the tree : illustrated by wood engravings - Ferguson, William, 1820 -1887 (Printed at the "Ceylon Observer" Press, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1916)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1917)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1938)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1953)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1965)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1985)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1993)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1999)

Pandanacées Sparganiacées, Ruppiacées - Muséum national d'histoire naturelle (France) (1983)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1944)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1873)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1874)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1877)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1879)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1882)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1863)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1910)

Papers concerning the palaeontology of California, Nevada and Oregon - Munz, Philip A. (Philip Alexander), 1892 -1974 (Carnegie Institution of Washington, 1935)

Papillons d'Europe, peints d'après nature - Devillers, Charles, 1724 -1809 (Chez P.M. Delaguette, imprimeur-libraire, 1790)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1904)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1906)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1915)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1916)

Park's 1940 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1940)

Park's 1941 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1941)

Park's autumn list of bulbs, plants and seeds : autumn of 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's flower book : season 1938, 70th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1938)

Park's flower book : season 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1939)

Park's illustrated flower book of choice dependable seeds : season of 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1935)

Park's illustrated flower book of choice dependable seeds, season of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1933)

Park's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

Park's illustrated flower book of choice dependable seeds, season of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1937)

Park's illustrated flower book of choice dependable seeds, season of 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1936)

The parks and gardens of Paris, considered in relation to the wants of other cities and of the public and private gardens; being notes on a study of Paris gardens - Robinson, W. (William), 1838 -1935 (Macmillan and co, 1878)

Part I. The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling news litho. co, 1913)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Patologia vegetale. Fanerogame parassite, mixomiceti, bacterii, ifomiceti od eumiceti (funghi) - Voglino, Pietro. (Unione tipografico-editrice [Gia ditta Pomba e c], 1905)

Patterson's numbered check-list of North American plants north of Mexico - Patterson, Harry N. (Harry Norton), 1853 -1919 (Patterson, 1892)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Pedanii Dioscoridis Anazarbei, De medicinali materia libri sex - Dioscorides Pedanius, of Anazarbos. (Apud Balthazarem Arnolletum, 1552)

Pedanii Dioscoridis anazerbei De materia medica libri quinque : ad fidem cadicum manuscriptorum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Cnobloch, C. (Carl), 1778-1834, 1829)

Perennials for all purposes : ground covers and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1920)

Personal narrative of travels to the equinoctial regions of America, during the years 1799-1804 - Humboldt, Alexander von, 1769 -1859 (G. Bell, 1907)

Personal narrative of travels to the equinoctial regions of America during the years 1799 - 1804 - Humboldt, Alexander von, 1769 -1859 (George Routledge, 1895)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides monitoring journal - United States. Chemical Information Division. (Technical Services Division, Office of Pesticide Programs, U.S. Environmental Protection Agency, 1974)

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

Pestmegye és tájéka viránya - Gönczy, Pál, 1817 -1892 (Ráth mór Bizománya, 1864)

Petite flore de Belgique à l'usage des écoles - Cogniaux, Alfred, 1841 -1916 (Hector Manceaux, 1883)

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

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Petri Andreae Matthioli ... Commentarii secvndo avcti, in libros sex Pedacii Dioscoridis Anazarbei, de medica materia : adiectis quamplurimis plantarum, & animalium imaginibus, quæ in priore editione non habentur, eodem auctore. His accessit eivsdem Apologia adversvs Amathum Lusitanum - Mattioli, Pietro Andrea, 1501 -1577 (in officina Valgrisiani, 1560)

Petri Andreae Matthioli ... Opera quae extant omnia, hoc est, Commentarii in VI. libros Pedacii Dioscoridis Anazarbei De medica materia : ... Adiectis in margine variis Graeci textus lectionibus, ex antiquissimus codicibus desumptis, qui Dioscorides depravatam lectionem restituunt - Bauhin, Caspar, 1560 -1624 (Ex officina typographica Nicolai Bassaei], 1598)

Petri Andreæ Matthioli Senensis, medici caesari, et serenissimi principiis Ferdinandi archidvcis Avstriae &c. Commentarij in VI. libros Pedacij Dioscoridis Anazarbei de medica materia, ab ipso avtore recogniti, et locis plvs mille avcti. Adjectis magnis, ac nouis plantarum, ac animalium iconibus ... Accesserunt ad margines Græci contextus ... qui Dioscoridis ipsius deprauatam lectionem restituunt. Cum locupletissimis indicibus - Mattioli, Pietro Andrea, 1501 -1577 (apud Felicem Valgrisium, 1583)

Petri Andreæ Matthioli Senensis medici, Commentarii in sex libros Pedacii Dioscoridis Anazarbei De medica materia - Mattioli, Pietro Andrea, 1501 -1577 (Ex Officina Valgrisiana, 1565)

Petri Andreae Matthioli senensis, medici, Compendium de plantis omnibus, vnà cum earum iconibus, de quibus scripsit suis in commentariis in Dioscoridem editis, in eorum studiosorum commodum, atque vsum; : qui plantis conquirendis, ac indagandis student : accessit praeterea ad calcem opusculum de itinere, quo è Verona in Baldum montem plantarum refertissimum itur; iisdem studiosis vtilissimum : Francisco Calceolario pharmacopaeo Veronensi auctore : quae quàm sint studiosae prosutura : ex epistolis in huiusce operis initio editis, facile patebit - Mattioli, Pietro Andrea, 1501 -1577 (In officina Valgrisiana, 1571)

Petri Andreae Matthioli Senensis serenissimi Principis Ferdinandi Archiducis Austriae & c., Medici, Commentarii secundo aucti : in libros sex Pedacii Dioscoridis Anazarbei de medica materia. Adiectis quàm plurimis plantarum, & animalium imaginibus quae in priore editione non habentur, eodem authore : his accessit eiusdem apologia adversus Amathum Lusitanum cum censura in eiusdem enarrationes - Dioscorides Pedanius, of Anazarbos. (Ex officina Erasmiana, Vincentij Valgrifij, 1558)

Petri Matthioli ... Opera quae extant òmnia, hoc est, Commentarii in VI. libros Pedacii Dioscoridis Anazarbei De medica materia : adjectis in margine variis Graeci testus lectionibus, ex antiquissimis codicibus desumptis, qui Dioscorides depravatam lectionem restituunt - Bauhin, Caspar, 1560 -1624 (Sumptibus Joannis König, 1674)

P.F. Cürie's Anleitung, die im mittleren und nördlichen Deutschland wildwachsenden und angebauten Pflanzen auf eine leichte und sichere Weise durch eigene Untersuchung zu bestimmen - Cürie, P. F. (C.G. Zobel, 1856)

Pflanzen der Heimat. Eine Auswahl der verbreitetsten Pflanzen unserer Fluren in Wort und Bild - Schmeil, O. (Otto), 1860 -1943 (Quelle und Meyer, 1913)

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)

Pflanzen-teratologie systematisch geordnet - Penzig, O. (Ottone), 1856 -1929 (A. Ciminago, 1894)

Die Pflanzen und Raupen Deutschlands : Versuch einer lepidopterologischen Botanik - Wilde, O. (E.S. Mittler, 1860)

Die Pflanzen und Raupen Deutschlands : Versuch einer lepidopterologischen Botanik - Wilde, O. (E.S. Mittler, 1861)

Die Pflanzendecke der Erde : populäre Darstellung der Pflanzengeographie für gebildete Naturfreunde - Rudolph, Ludwig, 1813 -1896 (Nicolaische Verlagsbuchhandlung, 1859)

Die Pflanzendecke Österreich-Ungarns. Auf Grund fremder und eigener Forschungen geschildert - Hayek, August von, 1871 -1928 (F. Deuticke, 1914)

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)