P-W's bulbs and plants for fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1937)

P-W's fall bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1939)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1913)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1914)

Pacific science - University of Hawaii. (University Press of Hawaii, 1956)

Palaozoologie : Entwurf einer systematischen Darstellung der Fauna der Vorwelt - Giebel, C. (Christoph), 1820 -1881 (Nulandt'sche buchandlung (L. Garcke), 1846)

Paleognathous birds from the early Tertiary of the northern hemisphere - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1988)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1900)

Pamphlets on forestry. Fish and game (1900)

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

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

Park's fall special : tulips, hyacinths, narcissus, crocus, peonies, iris : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1938)

Park's flower book for autumn 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1958)

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 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)

Park's special fall catalog : quality bulbs and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1939)

Part first of a supplement to the Cybele Britannica : to be continued occasionally as a record of progressive knowledge concerning the distribution of plants in Britain - Watson, Hewett Cottrell, 1804 -1881 (Printed for private distribution, 1860)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

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)

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)

Paxton's flower garden - Lindley, John, 1799 -1865 (Cassell, Petter, Galpin & Co, 1882)

Paxton's flower garden - Lindley, John, 1799 -1865 (1853)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1834)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1839)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1840)

Pennsylvania bird life; a manual of the birds of Pennsylvania; treating especially of their food, from examinations of several thousand stomachs, made during all seasons of the year, with descriptions of the birds, their nests, eggs and habits - Warren, Benjamin Harry, 1858 -1926 (Penn'a., Pub by the author, 1892)

Das peripherische Nervensystem der Fische : anatomisch und phyiologisch Untersucht - Stannius, Hermann, 1808 -1883 (Stiller, 1849)

Perry's bulbs, fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1938)

Perry's bulbs for autumn planting, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1939)

Perry's bulbs for fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1937)

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

Peter Henderson & Co. : Autumn bulb catalogue 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1890)

Peter Henderson & Co. bulbs, plants, seeds : Autumn 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1893)

Peter Henderson & Co.'s 1882 catalogue of bulbs for fall planting, plants for winter flowering, seeds for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.'s 1883 catalogue of bulbs for fall planting, plants for winter flowering, seeds for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co.'s 1898 autumn wholesale catalogue for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s August to December 1900 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1900)

Peter Henderson & Co.'s August to December 1901 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

Peter Henderson & Co.'s florists' wholesale catalogue of bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1905)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s September to December 1899 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1894)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and seeds, also books, tools, fertilizers, insecticides and requisities - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds for autumn planting : 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1896)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1895)

Peter Henderson & Co.'s wholesale price list of bulbs, plants, flower seeds, and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

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

Petites nouvelles entomologiques (E. Deyrolle, 1869)

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-Atlas nach dem Linné'schen System - Hoffmann, Carl, 1802 -1883 (Jul. Hoffmann, 1881)

Die Pflanzen und Thiere des tropischen America : ein Naturgemälde - Martius, Karl Friedrich Philipp von, 1794 -1868 (bei dem Verfasser ;in Comm. bei Friedr. Fleischer, 1831)

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

Das Pflanzenleben der Schweiz - Christ, H. (Hermann), 1833 -1933 (F. Schulhess, 1882)

Die Pflanzennamen der deutschen Flora : mit den wichtigern Synonymen in alphabetischer Ordnung, etymologisch erklärt - Martin, Adolf. (H.W. Schmidt, 1851)

Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Die Pflanzenwelt Norwegens : ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (1873)

Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete - Engler, Adolf, 1844 -1930 (D. Reimer, 1895)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1911)

Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1913)

Phanerogamen-Flora des Fürstenthums Lüneburg und seiner nächsten Begränzung : Tabellen zu einer leichten Bestimmung aller daselbst wildwachsenden und der in Gärten und Feldern häufig gebauten phanerogamischen Gewächse - Steinvorth, Heinrich. (Stern, 1849)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1877)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1882)

Philadelphia Medical and Physical Journal (1806)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1914)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1920)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1921)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1922)

Philosophia botanica - Linné, Carl von, 1707 -1778 (P. Marin, 1792)

Philosophiae natvralis sive Physicae dogmaticae tomvs I[-IV] continens ... continvationem systematis philosophici Christiani L.B. de Wolff - Hanov, M. C. (Michael Christoph), 1695 -1773 (Prostat in officina libraria rengeriana, 1762)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1824)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1831)

The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 - Royal Society (Great Britain) (Printed by and for C. and R. Baldwin, 1809)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1767)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1781)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1812)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1835)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1840)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1883)

Philosophie botanique de Charles Linné ... : dans laquelle sont expliqués les fondements de la botanique : avec les définitions de ses parties, les exemples des termes, des observations sur les plus rares ... - Linné, Carl von, 1707 -1778 (Cailleau, 1788)

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

Phycologia Germanica, d.i. Deutschlands Algen in bündigen Beschreibungen. Nebst einer Anleitung zum Untersuchen und Bestimmen dieser Gewächse für Anfänger - Kützing, Friedrich Traugott, 1807 -1893 (W. Köhne, 1845)

Physiotypia plantarum austriacarum. Der naturselbstdruck in seiner anwendung auf die gefässpflanzen des österreichischen kaiserstaates, mit besonderer berücksichtigung der nervation in der flächenorganen der pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (1856)

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)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1739)

Phytographie médicale : histoire des substances héroiques et des poisons tirés du règne végétal - Roques, Joseph, 1772 -1850 (Garnot, 1845)

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, 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)