Perry's seeds and garden requisites, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1934)

Perry's seeds, bulbs, plants, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1946)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1944)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1943)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1945)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1942)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1941)

Perry Seed Company, 1929 : successors to Fiske Seed Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1929)

Perry Seed Company, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1931)

Perry Seed Company, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1932)

Perry Seed Company, successors to Fiske Seed Company : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1930)

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

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

Peter Henderson & Co's seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1872)

Peter Henderson & Co's seed catalogue : 1875 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1875)

Peter Henderson's spring catalogue of new, rare, and beautiful plants for 1872. : greenhouses in Bergen District, of Jersey City, N.J. : Post office address at seed store, no. 35 Cortlandt Street, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1872)

Pflanzen-geographie auf physiologischer Grundlage - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (Gustav Fischer, 1908)

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

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)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Die Pflanzenstoffe in chemischer, physiologischer, pharmakologischer und toxikologischer Hinsicht : für Aerzte, Apotheker, Chemiker und Pharmakologen - Husemann, August, 1833 -1877 (Springer, 1882)

Die Pflanzenwelt Dalmatiens - Adamović, Lujo (Lujo V.), 1869 -1935 (W. Klinkhardt, 1911)

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

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)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1914)

Pharmaceutical botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son & Co, 1918)

Pharmaceutical botany; a text-book for students of pharmacy and science - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's son & co, 1920)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1872)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1878)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1879)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1868)

Pharmacographia : a history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan, 1874)

Pharmacographia : a history of the principal drugs of vegetable origin met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan & Co, 1874)

Pharmacographia: a history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan and Co, 1874)

Pharmacographia :A history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan and co, 1879)

Pharmacographia a history of the principal drugs of vegetable origin, met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan and Co, 1874)

Pharmacographia : a history of the principal drugs of vegetable origin met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan, 1879)

Pharmacopoea germanica :deutscher der lateinischen Ausgabe zu Grunde liegender Entwurf (Deutsche Ausgabe) - Germany. Reichsamt des Innern. (R. von Decker's Verlag, 1882)

The pharmacopoeia of a botanical physician later - Riddell, William Renwick, 1852 -1945 (Botanical Society of Edinburgh?, 1915)

The pharmacopoeia of another botanical physician - Riddell, William Renwick, 1852 -1945 (Botanical Society of Edinburgh?, 1919)

Pharmakognosie :ein Lehr- und Handbuch für Studierende, Apotheker, Drogisten, Sanitätsbeamte und Aerzte - Vogl, A. E. (August Emil), 1833 -1909 (C. Gerold's Sohn, 1892)

Pharmazeutische Waarenkunde - Berg, O. C. (Otto Carl), 1815 -1866 (R. Gaertner, 1863)

Photographs of medicinal and economic plants from natural specimens: plates, figures - Lochman, Charles L. (C.L. Lochman, 1898)

PHS news - Pennsylvania Horticultural Society. (The Society, 1970)

Physiographie der Medicinal-Pflanzen : nebst einem Clavis zur Bestimmung der Pflanzen mit besonderer Berücksichtigung der Nervation der Blätter - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1862)

Physiographiska Sällskapets Tidskrift - Physiographiska Sallskapet i Lund (1837)

Physiological botany; I. Outlines of the histology of phænogamous plants. II. Vegetable physiology - Goodale, George L. (George Lincoln), 1839 -1923 (American Book Co, 1885)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (Macmillan and Co, 1914)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (MacMillan, 1914)

Physiologie des Stoffwechsels in Pflanzen und Thieren. Ein Handbuch für Naturforscher, Landwirthe und Aerzte - Moleschott, Jacob, 1822 -1893 (F. Enke, 1851)

Physiology at the farm in aid of rearing and feeding the live stock - Stephens, Henry, 1795 -1874 (W. Blackwood, 1867)

Physiology at the farm in aid of rearing and feeding the live stock - Seller, William, 1798 -1869 (W. Blackwood and sons, 1867)

Physisch-therapeutische Erläuterung aller jener Arzneymittel, : welche in der neuen verbesserten österreichischen Provincial-Pharmakopöe enthalten sind - Neuhauser, Franz, 1820 (Bey Franz Joseph Rôtzel, Buchhändler in der Singerstrasse, 1796)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytographia Lusitaniae selectior, seu, Novarum, rariorum, et aliarum minus cognitarum stirpium, quae in Lusitania sponte veniunt, ejusdemque flora spectant, descriptiones iconibus illustratae - Brotero, Félix de Avellar, 1744 -1828 (Ex Typographia Regia, 1816)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1958)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1968)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1978)

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

Phytoneuron (Guy L. Nesom, 2014)

Le piante fanerogame della Svissera insubrica : enumerate seconde il metodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptins, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H. G. Bohn, 1875)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptions, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H.G. Bohn [etc.], 1880)

Pitcher & Manda catalogue of flower and vegetable seeds and bulbs for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1895)

Pittonia :a series of papers relating to botany and botanists - Greene, Edward Lee, 1843 -1915 (Doxey & Co. [etc.], 1889)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's pansies : fall 1952, spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1952)

Pitzonka's perennial and rock-garden plants : for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1953)

Pitzonka's quality pansies : fall 1950, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's quality pansies : fall 1951, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1951)

The plain truth about seeds : Burpee's 1899 farm annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1899)

Plant disease surveys in the Western United States in 1943 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1944)

Plant diseases in West Virginia in 1928 - Archer, W. Andrew (William Andrew), 1894 -1973 (Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1929)

Plant-geography upon a physiological basis - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1903)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant life, considered with special reference to form and function - Barnes, Charles Reid, 1858 -1910 (H. Holt & company, 1898)

Plant life of Alabama : an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state - Mohr, Charles (Charles Theodore), 1824 -1901 (Brown Printing Co, 1901)

Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Geological Survey of Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (Govt. Print. Off, 1901)

Plant sturdy seeds. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1919)

Plant sturdy seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1920)

Plantae Asiaticae rariores, or, Descriptions and figures of a select number of unpublished East Indian plants - Wallich, N. (Nathaniel),‏ 1786 -1854 (Treuttel and Würtz, 1830)

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

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, Hucusque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentatur - Sessé, Martin, 1809 (Oficina tip. de la Secretaría de fomento, 1893)

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)

Plantarum Belgii confoederati indigenarum spicilegium : quo Dav. Gorteri viri cl. Flora VII. provinciarum loculetatur - Gorter, David de, 1717 -1783 (Apud Joannem van Kasteel, 1788)

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

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1950)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1949)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1948)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1951)

De planten in den botanischen tuin bij het Groot militair hospitaal te Weltevreden - Filet, G. J., 1825 -1891 (Lange, 1855)

Les plantes industrielles - Heuzé, Gustave, 1816 -1907 (L. Hachette, 1859)

Les plantes médicinales - Losch, Friedrich. (Vigot Frères, 1906)

Plantes usuelles, indigènes et exotiques : décrites ou indiquées par Chomel, dessinées dans l'état de floraison par des artistes distingués - Dubuisson, J. B. Rémi-Jacquelin, 1777 - (Duprat-Duverger, 1809)

Plantes vasculaires des environs de Cherbourg - Le Jolis, Auguste, 1823 -1904 (J.B. Baillière, 1860)

Planting guide : 1869-1954, 85th Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1954)

Planting guide 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1953)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1948)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1950)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1954)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1958)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1968)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1972)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1976)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1978)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1981)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1984)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1985)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1988)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1989)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1990)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1991)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1992)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1993)

Plants and their uses; an introduction to botany - Sargent, Frederick Leroy, 1863 -1928 (H. Holt and company, 1913)