Die Pilze (Fungi) von Tirol, Vorarlberg und Liechtenstein - Magnus, P. (Paul), 1844 -1914 (Verlag der Wagner'schen Universitts-Buchh, 1905)

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

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

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

Plant & eat vegetables for health : 1936, forty-third annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1936)

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, 1968)

Plant life - Masters, Maxwell T. (Maxwell Tylden), 1833 -1907 (Vinton, 1883)

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 - 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)

The plant life of Maryland - Shreve, Forrest, 1878 -1950 (Johns Hopkins Press, 1910)

Plant life on the farm - Masters, Maxwell T. (Maxwell Tylden), 1833 -1907 (Orange Judd Co, 1885)

Plant life on the farm - Masters, Maxwell T. (Maxwell Tylden), 1833 -1907 (Orange and Judd company, 1885)

Plantae Europeae.Enumeratio systematica et synonymica plantarum phaenerogamicarum in Europa sponte crescentium vel mere inquilinarum - Richter, Karl, 1855 -1891 (W. Engelmann, 1890)

Plantae Postianae - Autran, Eugène, 1855 -1912 (G. Bridel, 1893)

Plantae Thunbergianae : ein Verzeichnis der von C. P. Thunberg in Südafrika, Indien und Japan gesammelten und der in seinen Schriften beschriebenen oder erwähnten Pflanzen, sowie von den Exemplaren derselben, die im Herbarium Thunbergianum in Upsala aufbewahrt sind - Thunberg, Carl Peter, 1743 -1828 (A.-b. Akademiska bokhandeln, 1918)

Plantae vasculares seu cotyledoneae Scandanaviae, nempe Sveciae et Norvegiae : juxta regni vegetabilis systema naturale digestae - Beurling, Pehr Johan, 1800 -1866 (P. A. Norstedt, 1859)

Plantarum a Josepho Comollio ... in Lariensi provincia lectarum enumeratio : quam ipse in botanophilorum usu atque commodo exhibet uti prodromum florae Comensis - Comolli, Giuseppe, 1780 -1849 (C.P. Ostinelli, 1824)

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)

Plantevæxten paa Færøerne : med sæerlig hensyntagen til blomsterplanterne - Ostenfeld, C. H. (Carl Hansen), 1873 -1931 (Gyldendal, 1906)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1945)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1956)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1973)

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

Platt's bulbs bring the glamour of spring to your garden! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1939)

Platt's seeds 1955 : a complete line of seeds and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Company, 1955)

The Plough, the loom, and the anvil (J.S. Skinner & Son], 1848)

Popular science news, formerly Boston journal of chemistry. A popular illustrated monthly devoted to the progress in zoology, botany, mineralogy, archaeology, hygiene, invention, with related physical sciences and general scientific information - Agassiz Association. (J.R. Nichols & co. [etc.], 1866)

Popular Science Review (1867)

Populäre Botanik oder gemeinfassliche Anleitung zum Studium der Pflanze und des Pflanzenreiches. Zugleich ein Handbuch zum Bestimmen der Pflanzen auf Excursionen - Schmidlin, Eduard, 1808? -1890 (Krais & Hoffmann, 1857)

Populäre Encyclopädie der praktischen Landwirthschaft; ein belehrendes Taschenbuch für Güterbesitzer, Wirthschaftsbeamte und Landwirthe. 3. nach dem gegenwärtigen Stande der Naturwissenschaften verb. und mit Zusätzen bereicherte Aufl. Hrsg. von Fernand Stamm - Leibitzer, Johann (G. Heckenast, 1854)

Populäres handbuch des grasbaus, futterpflanzenbaus und der milchwirthschaft - Hoffman, Francis Arnold 1822 -1903 (Wis., G. Brumder, 1883)

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)

Practical agriculture : or, A complete system of modern husbandry; with the methods of planting, and the management of live stock - Dickson, R. W. (R. Phillips, 1807)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

Practical directions for laying down or improving meadow and pasture land : with an enumeration of the British grasses, pointing out such seeds as are of the most nutritious property, and best adapted for dairy pasture, hay, green food, or feeding and fattening stock : with full instructions for sowing, and the best seasons for performing it - Curtis, William, 1746 -1799 (Sherwood, Gilbert, and Piper, 1834)

The practical fruit, flower and vegetable gardener's companion, with a calendar - Emerson, G. (Gouverneur), 1796 -1874 (C. M. Saxton & co, 1855)

The practical fruit, flower and vegetable gardener's companion, with a calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C. M. Saxton and co, 1855)

The practical fruit, flower and vegetable gardener's companion with calendar - Pardee, R. G. (Richard Gay), 1811 -1869 (C.M. Saxton and Co, 1855)

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)

Practical hints respecting moths and butterflies, with notices of their localities : forming a calendar of entomological operations throughout the year, in pursuit of Lepidoptera - Shield, Richard. (John Van Voorst, 1856)

Practical notes on grasses & grass growing in East Anglia - Everitt, Nicholas. (Jarrold, 1897)

Practical observations on the British grasses : especially such as are best adapted to the laying down or improving of meadows and pastures : to which is added an enumeration of the British grasses - Curtis, William, 1746 -1799 (Printed by J. Clyatt, 1804)

The practical shepherd: a complete treatise on the breeding, management and diseases of sheep - Randall, Henry Stephens, 1811 -1876 (D. D. T. Moore, 1863)

The practical shepherd: a complete treatise on the breeding, management and diseases of sheep - Randall, Henry Stephens, 1811 -1876 (J. B. Lippincott & co, 1863)

A practical treatise on grasses and forage plants: comprising their natural history, comparative nutritive value, methods of cultivating, cutting and curing, and management of grass lands - Flint, Charles Louis, 1824 -1889 (G. P. Putnam, 1857)

Der praktische landschaftsgärtner. Eine anleitung zur anlegung oder verschönerung von gärten verschiedener grösse ... Mit anweisung zu einer zweckmässigen benützung des küchengartens, zu spargel- und artischokenpflanzung, champignons-zucht, gurken- and melonentreiberei u.s.w - Hertz, Wilhelm. (Hoffmann, 1840)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

A preliminary list of the plants of New Brunswick - Fowler, James, 1829 -1923 (Ellis, Robertson & Co, 1885)

A preliminary list of the vascular flora of Allegheny County, Pennsylvania - Shafer, John Adolph, 1863 -1918 (Carnegie Institute Museum?, 1901)

The present state of the tenancy of land in the highland and grazing districts in Great Britain; showing the principal customs & methods under which sheep farms are now held and managed in the several counties; with a brief history of sheep, and facts relevant to the state of the British wool growers - Grainger, T.B. (James Ridgway, 1829)

Price list and cultural suggestions, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1929)

Price list and cultural suggestions, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1930)

Price list and cultural suggestions, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1931)

Price list No. 14A : April 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.L. Radwaner Seed Co., Inc, 1931)

Price list of agricultural seeds, and treatise on permanent pasture grasses and the adulteration of their seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James Hunter, 1910)

Price list, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland-American Seed Company, 1935)

Prima lineae florae Herbipolensis - Lehmann, Johann Friedrich. (Nitribitt, 1809)

Primitiae florae Salisburgensis, cum dissertatione praevia de discrimine plantarum ab animalibus - Schrank, Franz von Paula, 1747 -1835 (1792)

The principles of botany, and of vegetable physiology - Willdenow, Karl Ludwig, 1765 -1812 (Printed at the University Press, for William Blackwood, 1805)

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

Proceedings - Nova Scotian Institute of Science. (1866)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1980)

The Proceedings and transactions of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1906)

Proceedings - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1892)

Proceedings - Cambridge Philosophical Society Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1910)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1898)

Proceedings of the American Society of Agronomy - American Society of Agronomy. (The Society, 1916)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1954)

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 Botanical Society of the British Isles - Botanical Society of the British Isles. (1967)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1960)

Proceedings of the Bournemouth Natural Science Society - Bournemouth Natural Science Society (1953)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1885)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1935)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1964)

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

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1901)

Proceedings of the Geological and Polytechnic Society of the West Riding of Yorkshire - Geological; Polytechnic Society of the West Riding of Yorkshire. ([Geological and Polytechnic Society of the West Riding of Yorkshire], 1839)

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

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1897)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1918)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1875)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1909)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1953)

Proceedings of the Literary and Philosophical Society of Manchester - Literary; Philosophical Society of Manchester. (The Society, 1867)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1938)

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

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1875)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1883)