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

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1896)

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)

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

Painesville Nurseries : the Storrs & Harrison Co's catalogue of fruits, ornamental trees, shrubs, bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Storrs & Harrison Co, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1886)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1900)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

The paradisus londinensis:or coloured figures of plants cultivated in the vicinity of the metropolis - Salisbury, R. A. (Richard Anthony), 1761 -1829 (Printed by D.N. Shury, and published by William Hooker, 1805)

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

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 book of autumn : hyacinths, tulips, narcissus, iris, peonies, daylilies, lilies, crocus, other bulbs, seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1947)

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 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's illustrated list of hardy bulbs for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1900)

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

The parlor gardener: a treatise on the house culture of ornamental plants. Translated from the French, and adapted to American use - Randolph, Cornelia J. (Lee and Shepard, 1884)

The parlor gardener: a treatise on the house culture of ornamental plants - Randolph, Cornelia J. (J.E. Tilton & company, 1861)

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)

Pathologische Pflanzenanatomie. In ihren Grundzügen - Küster, Ernst, 1874 -1953 (G. Fischer, 1916)

The pathway to perennials leads straight to the Palisades Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1916)

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

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1836)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1845)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1849)

Peony collections : fall 1949, our 75th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Sarcoxie Nurseries Peony Fields, 1949)

Perennial and rock garden plants : wholesale price list, fall 1937 and spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee Nurseries, 1937)

Perennials for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1938)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1939)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1935)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1938)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1936)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1940)

The perfect garden, how to keep it beautiful and fruitful, with practical hints on eonomical management and the culture of all the principal flowers, fruits, and vegetables - Wright, Walter P. (Walter Page), 1864 -1940 (J. B. Lippincott company; [etc., etc.], 1908)

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 autumn planting, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1943)

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

A personal guide to the best in Holland grown bulbs, perennials, peonies, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1935)

A personal guide to the best in Holland grown bulbs, perennials, peonies, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1936)

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

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 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 catalogue of everything for the garden : 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1880)

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 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)

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

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

Pflanzenbiologische Untersuchungen : nebst algologischen Schluszbemerkungen - Hansgirg, Antonin, 1854 -1917 (Alfred Hölder, 1904)

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)

Pflanzenmikrochemie : ein Hilfsbuch beim mikrochemischen Studium pflanzlicher Objekte - Tunmann, Otto, 1867 -1919 (Gebrüder Borntraeger, 1913)

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

Pflanzenphysiologie als Theorie der Gärtnerei. Für Botaniker, Gärtner, Landwirte, Forstleute und Pflanzenfreunde - Molisch, Hans, 1856 -1937 (G. Fischer, 1922)

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

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

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 Pflanzenwelt - Warburg, Otto, 1859 -1938 (Bibliographisches Institut, 1913)

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

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, 1883)

Phil. Frid. Gmelin ... Otia botanica, quibus in usum praelectionum academicarum definitionibus et observationibus illustratum reddidit prodromum Florae Leydensis Adriani van Royen ... qui plantas terra marique crescentes methodo naturali digessit - Gmelin, Philipp Friedrich, 1721 -1768 (In Officina Bergeriana, 1760)

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

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (apud Godofr. Kiesewetter, 1751)

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adiectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae Trattner, 1755)

Philosophia botanica, in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis J.T. Trattner, 1763)

Philosophia botanica in qua explicantur fundmenta botanica cum definitionibus partium, exemplis terminorum observationibus rariorum. Adiectis figuris aeneis - Linné, Carl von, 1707 -1778 (C.F. Himburgi, 1780)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1830)

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)

Photosynthesis - Spoehr, H. A. (Herman Augustus), 1885 -1954 (The Chemical catalog company, inc, 1926)

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

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

Physiologische Pflanzenanatomie - Haberlandt, Gottlieb, 1854 -1945 (W. Engelmann, 1904)

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. 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)

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

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1941)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1991)

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

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)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Phytoneuron (Guy L. Nesom, 2015)

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

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

The pictorial flora; or, British botany delineated, in 1500 lithographic drawings of all the species of flowering plants indigenous to Great Britain; illustrating the descriptive works on English botany by Sir J.E. Smith, Lindley, Hooker, Withering, and other authors - Jackson, Mary Ann (Longman, Orme, Brown, Green, and Longmans, 1840)

Pictorial practical bulb growing; a concise guide to the culture of all the most important bulbous, tuberous, and allied plants - Wright, Horace J. (Horace John), 1868 -1925 (Cassell and company, limited, 1903)

Pike's garden annual 1924 : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.W. Pike, 1924)

Pitcher & Manda wholesale autumn catalogue of bulbs and seeds for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1893)

Pitzonka's Pansy Farm, "The home of the pansy" : perennials, bulbs, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1934)

Pitzonka's Pansy Farm, "The home of the pansy" : rock plants, bulbs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1933)

The planning & planting of little gardens - Dillistone, George. ("Country life," ltd, 1920)

The planning & planting of little gardens - Dillstone, George. ("Country life," ltd, 1920)

Plant bulbs! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenville Bulb Growers, 1938)

Plant bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenville Bulb Growers, 1939)

Plant bulbs now for a colorful spring garden, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van's Nursery and Landscape Service, 1945)

Plant bulbs now for spring flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert Seed & Bulb Co, 1932)

Plant bulbs this fall for blooms next spring darwin tulips - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McArdle's Seed Store, 1959)

Plant bulbs this fall for blooms next spring darwin tulips - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McArdle's Seed Store, 1957)

Plant bulbs this fall for flowers next spring : low prices (see inside) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alexander Forbes & Co, 1939)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)