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 (Magyar Királyi Egyetemi Nyomda Sajátja, 1879)

Peter Henderson, Stumpp & Walter : 1953 garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson, Stumpp & Walter Co, 1953)

Die Pflanze und ihr Leben. Populäre Vorträge, von M. J. Schleiden. Mit 5 farbigen Tafeln und 15 Holzschnitten - Schleiden, M. J. (Matthias Jacob), 1804 -1881 (W. Engelmann, 1850)

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

Pflanzenwachstum und Kalkmangel im Boden : Untersuchungen über den Einfluss der Entkalkung des Bodens durch Hüttenrauch und über die giftige Wirkung von Metallverbindungen auf das Pflanzenwachstum - Wieler, A. (Arwed), 1858 - (Gebrüder Borntraeger, 1912)

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 pflanzenzucht im walde - Furst, Hermann. (J. Springer, 1897)

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

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 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 botany, with glossary of botanical terms - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (Blakiston, 1921)

Photographs of drawings of 350 of the commoner weed seeds found in commercial seeds - Hillman, F. H. (U.S. Bureau of Plant Industry, Seed Laboratory, 1916)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1964)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1982)

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

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2009)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1858)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1841)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2017)

Phytoneuron (Guy L. Nesom, 2019)

Die Pilze Schlesiens - Schroeter, J. (J.U. Kern's Verlag, 1889)

Plant & eat vegetables for health : 1936 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Abel's Seed House, 1936)

The plant : a biography - Henfrey, Arthur, 1819 -1859 (H. Bailliere, 1848)

The plant : a biography : in a series of popular lectures - Henfrey, Arthur, 1819 -1859 (H. Bailliere, 1848)

The plant; a biography. In a series of thirteen popular lectures - Henfrey, Arthur, 1819 -1859 (H. Bailliere, 1853)

Plant a victory garden with Tait's thorobred seeds : 74th annual catalog, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. Tait & Sons, 1943)

The plant, a biography in a series of popular lectures - Henfrey, Arthur, 1819 -1859 (H. Bailliere, 1848)

Plant blue ribbon seeds : the gateway to success - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woods, Stubbs & Co, 1911)

The plant disease reporter - United States. Bureau of Plant Industry. (Bureau of Plant Industry, U.S. Dept. of Agriculture, 1942)

Plant exploration report for safflower and miscellaneous oilseeds, Near East and Mediterranean countries : March-October 1958 - United States. Agricultural Research Service. Crops Research Division. (USDA, ARS, Crops Research Division, 1959)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

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, 1942)

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

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1958)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

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 inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1970)

Plant materials for use on surface-mined lands in arid and semiarid regions - United States. Soil Conservation Service. (Soil Conservation Service : for sale by the Supt. of Docs., U.S. G.P.O, 1982)

Plant pathological investigation in the United States - 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, 1950)

Plant physiology, with special reference to plant production - Duggar, Benjamin M. (Benjamin Minge), 1872 -1956 (The Macmillan company, 1911)

Plant physiology, with special reference to plant production - Duggar, Benjamin M. (Benjamin Minge), 1872 -1956 (MacMillan, 1920)

Plant responses to salinity : a supplement to an indexed bibliography - Francois, L. E. (National Technical Information Service], 1985)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

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)

The Plant world - Plant World Association. (Plant World Association [etc.], 1900)

Plantes fourragères prairies et pâturages - Malte, M. O. (Malte Oscar), 1880 -1933 (Impr. du gouvernement, 1913)

Plantes fourragères prairies et pâturages - Malte, M. O. (Malte Oscar), 1880 -1933 (Ministre de l'Agriculture, 1913)

Plantes toxiques du Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Porter-Walton : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1917)

Porter-Walton Company : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1919)

Porter-Walton Company : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1918)

Portland Seed Co's catalogue : 1901 seeds and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1901)

Portland Seed Company's catalog and seed annual for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1922)

Portland Seed Company's complete catalog and seed annual for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1921)

The potentialities of revegetating and utilizing agronomic species on strip mined areas in Illinois - University of Illinois at Urbana-Champaign. Agricultural Experiment Station. (University of Illinois, Agricultural Experiment Station, 1947)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

Practical farming; a plain book on treatment of the soil and crop production; especially designed for the everyday use of farmers and agricultural students - Massey, Wilbur Fisk, 1839 -1923 (The Outing publishing company, 1907)

Practical farming; a plain book on treatment of the soil and crop production - Massey, Wilbur Fisk, 1839 -1923 (The Outing publishing company, 1907)

Practices for protecting and enhancing fish and wildlife on coal surface-mined land in central and southern Appalachia - United States. Bureau of Mines. (U.S. Department of the Interior, Fish and Wildlife Service, Division of Biological Services, Western Energy Land Use Team, 1983)

Practices for protecting and enhancing fish and wildlife on coal surface-mined land in the southcentral U.S - U.S. Fish; Wildlife Service. Office of Biological Services. (U.S. Department of the Interior, Fish and Wildlife Service, Office of Biological Services, 1983)

Preliminary inventory of Canadian weeds - Crompton, Clifford W. (Agriculture Canada, Research Branch, 1988)

Preliminary report on the alfalfa weevil. [Phytonomus posticus] - Webster, F. M. (Francis Marion), 1849 -1916 (Govt. print. off, 1912)

Preliminary trade price-list, giving to-day's prices on theleading varieties of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1895)

Primitiae monographiae rosarum : matériaux pour servir à l'histoire des roses - Crépin, François, 1830 -1903 (Impr C. Annoot-Braeckman, 1869)

The principles of fruit-growing, with applications to practice - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1915)

Principles of soil microbiology - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Williams & Wilkins, 1927)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1916)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1906)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1902)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1901)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1923)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1956)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1965)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1922)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1976)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1979)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1981)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1988)

Proceedings of the ... Eastern Native Grass Symposium - United States. Natural Resources Conservation Service. (Agricultural Research Service, Natural Resources Conservation Service, 1997)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1941)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1965)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1985)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1993)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1995)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1916)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1982)

Proceedings of the Royal Society of London. Series B, Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1912)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1905)

Proceedings of the Southern Pasture and Forage Crop Improvement Conference - United States. Agricultural Research Service. (Agricultural Research Service (Southern Region), U.S. Dept. of Agriculture, 1974)

Proceedings of the Southern Pasture and Forage Crop Improvement Conference - United States. Agricultural Research Service. (Agricultural Research Service (Southern Region), U.S. Dept. of Agriculture, 1991)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Procès-verbaux - Société Linnéenne de Bordeaux. (1925)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1898)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodrome de la flore du plateau central de la France ... - Lamotte, Martial, 1820 -1883 (G. Masson, 1877)

Prodromo della flora toscana, ossia, Catalogo metodico delle piante che nascono salvatiche in Toscana e nelle sue isole, o che vi sono estesamente coltivate, con la indicazione dei luoghi nei quali si trovano, del tempo della loro fioritura e fruttificazione, dei loro nomi volgari ed usi - Caruel, Teodoro, 1830 -1898 (Coi tipi di F. Le Monnier, 1860)

Prodromul florei române; sau, Enumeratiunea plantelor pana asta-di cunoscute in Moldova si Valachia - Brândză, D. (Dimitrie), 1847 -1895 (Tip. Academiei Romane, 1879)