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

Pflanzenphysiologie. Ein Handbuch des Stoffwechsels und Kraftwechsels in der Pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Pflanzenphysiologie. Ein handbuch des stoffwechsels und kraftwechsels in der pflanze - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1905)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1913)

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

Pharmacographia indica :A history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner & co., ld; [etc. etc.], 1893)

Pharmacographia indica a history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner, 1890)

Pharmacographia Indica - Dymock, William, 1834 -1892 (Kegan Paul, Trench, Trubner & Co, 1890)

Photosynthesis and related processes - Rabinowitch, Eugene, 1901 - (Interscience Publishers, inc, 1951)

PHS news - Pennsylvania Horticultural Society. (The Society, 1965)

PHS news - Pennsylvania Horticultural Society. (The Society, 1992)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

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

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 - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

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 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, 1912)

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)

Plant Form - Bell, Adrian D. (OXFORD UNIVERSITY PRESS, 1991)

Plant growth substances - University of Wisconsin. (University of Wisconsin Press, 1951)

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, 1968)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

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)

The Plant world - Plant World Association. (Plant World Association [etc.], 1905)

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1957)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1962)

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, 1988)

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

Plants, roses and bulbs for fall and winter blooming : fall 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1913)

Plants, roses and bulbs for fall and winter blooming : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1912)

Pollen - Edgeworth, Michael Pakenham, 1812 -1881 (Hardwicke & Bogue, 1877)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1848)

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)

Price list and descriptive catalogue : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed House, 1904)

Price list and descriptive catalogue 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes & Co, 1905)

Price list and descriptive catalogue 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes & Co, 1906)

Price list of high grade florists' flower seeds : garden and grass seeds, bulbs and florists' supplies, for the trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Company, 1901)

The principles of floriculture - White, Edward Albert, 1872 -1943 (The Macmillan company, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1916)

Proceedings - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1908)

Proceedings of the annual convention of the society of American Florists - Society of American Florists; Ornamental Horticulturists. (Society of American Florists and Ornamental Horticulturalists, 1885)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1855)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1894)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1859)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1866)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1897)

Procès-verbaux - Société Linnéenne de Bordeaux. (1922)

Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany - Association internationale des botanistes. (G. Fischer, 1909)

Pteridologist - British Pteridological Society. (The Society, 2018)

pu yang zhi wu zhi - Zhang, Junpu, Wu Hongchen, Zhu Xuewen & Ma Yipin (zhong guo ke xue ji shu chu ban she, 1996)

qing hai jing ji zhi wu zhi 青海经济植物志 - Guo, Benzhao (郭本兆) (qing hai ren min chu ban she青海人民出版社, 1987)

Quality Seed & Bulb Co's wholesale price list for market gardeners and florists : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quality Seed & Bulb Co, 1923)

The Quarterly journal of science (J. Churchill and Sons, etc, 1877)

Quarterly trade catalogue of bulbs, palms, orchids, ferns, etc. : July, August, September, 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher and Manda, 1894)

Quarterly trade catalogue of bulbs, palms, orchids, ferns, etc. : July and August 1895 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1895)

Quarterly trade catalogue of palms, ferns, orchids, flowering plants, stove plants, hardy perennials, seeds and bulbs, etc. etc. : January, February, March, 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, United States Nurseries, 1896)

R & J Farquhar & Co's catalogue 1894 : reliable tested seeds plants bulbs fertilizers tools etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1894)

Rare flowers, plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1922)

Rare plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1930)

Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Recueil d'oeuvres de Léo Errera - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1907)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

Die Reizleitungsvorgänge bei den Pflanzen - Fitting, Hans, 1877 - (Bergmann, 1907)

Reliable, tested seeds, plants, bulbs, tools, &c. : catalogue 1891 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1891)

Reliable tested seeds plants, bulbs, tools, fertilizers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1892)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1908)

Report - New York (State). Board of General Managers of the Exhibit of the State of New York at the World's Columbian Exposition. (J. B. Lyon, 1894)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1915)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1925)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1931)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the transactions of the Massachusetts Horticultural Society for the year ... with preliminary observations - Massachusetts Horticultural Society (s.n.], 1838)

Retail list : shrubs and trees, vines and perennials, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1938)

Retail price list [of] fruit, shade and ornamental trees, vines and shrubs : fall, 1924-spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albany Nurseries, 1924)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1923)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1966)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1887)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1890)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1894)

Revue générale de botanique (Libraire générale de l'enseignement, 1895)

Revue horticole (Librairie agricole de la maison rustique, 1846)

Revue horticole (Librairie agricole de la maison rustique, 1855)

Revue horticole (Librairie agricole de la maison rustique, 1878)

Revue horticole (Librairie agricole de la maison rustique, 1879)

Revue horticole (Librairie agricole de la maison rustique, 1880)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue horticole (Librairie agricole de la maison rustique, 1886)

Revue horticole (Librairie agricole de la maison rustique, 1888)

Revue horticole (Librairie agricole de la maison rustique, 1889)

Revue horticole (Librairie agricole de la maison rustique, 1890)

Revue horticole (Librairie agricole de la maison rustique, 1892)

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1897)

Revue horticole (Librairie agricole de la maison rustique, 1899)

Revue horticole (Librairie agricole de la maison rustique, 1900)

Revue horticole (Librairie agricole de la maison rustique, 1902)

Revue horticole (Librairie agricole de la maison rustique, 1907)

Revue horticole (Librairie agricole de la maison rustique, 1908)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Rheinisches Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1883)

Richard Frotscher's almanac and garden manual 1894 for the southern states - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. Frotscher, 1894)

Richard Frotscher's almanac and garden manual for the southern states : 1895 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richard Frotscher Seed Company, 1895)

Richard Frotscher Seed Co. Ltd. : garden manual for the southern states 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. Frotscher, 1897)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)

Robert J. Halliday's guide & catalogue of all garden supplies vegetable flower & field seeds plants roots vines etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert J. Halliday, 1888)

Root-knot and its control - Bessey, Ernst Athearn, 1877 -1957 (Govt. print. off, 1911)

Roses : also fruit trees, trees, shrubs, herbaceous and rock plants, garden seeds and bulbs : catalogue 1935-36 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chaplin Bros. Ltd, 1935)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1881)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1896)

Rust's garden grams : winter and spring planting number, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Landscape Department of the Edward H. Rust Nurseries, 1933)

Rustic adornments for homes of taste - Hibberd, Shirley, 1825 -1890 (W.H. and L. Collingridge, 1895)

Samenhandlung, Züchterei, Kunst und Handelsgärtnerei : Engros, Preis, Verseichnis, 1899-1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin Grashoff, 1899)

Samenzucht, Samenhandlung, Handelsgärtnerei : Jahrgang 77, Nr. 176, Gründungsjahr 1855 / Carl Pabst - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1932)

Samenzucht und Samenhandlung, Handelsgärtnerei : Jubiläums-Katalog, 1930, 1855-1930, 75 Jahre / Carl Pabst - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1930)

Schlegel & Fottler Co.'s specialties for 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler Co, 1909)

Schönbrunn's Flora, oder, Systematisch geordnetes Verzeichniss der im kais. königl. holländisch-botanischen Hofgarten zu Schönbrunn cultivirten Gewächse - Boos, Joseph. (Im Verlag der Geistingerschen Buchhandlung, 1816)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1892)

Schweizerische Zeitschrift für Gartenbau (Verlag von Meyer und Zeller, 1849)

Schweizerische Zeitschrift für Gartenbau (Verlag von Meyer und Zeller, 1851)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 2004)

Seed and plant annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1907)

Seed and plant annual : seeds, plants, trees, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Trumbull Seed Company, 1909)

Seed and plant catalogue 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alneer Bro's, 1920)

Seed and plant catalogue : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alneer Bros, 1921)

Seed and plant catalogue : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alneer Bros, 1923)

Seed annual - D.M. Ferry & Co. (D.M. Ferry & Co, 1881)

Seed annual - D.M. Ferry & Co. (D.M. Ferry & Co, 1882)

Seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1899)

Seed annual, 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Ferry & Co, 1881)

Seed annual 1928 : 78th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Livingstons Seed Co, 1928)

Seed annual 1929 : 79th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Livingstons Seed Co, 1929)

Seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gilbride & Grey, 1894)

Seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1905)